题目内容（请给出正确答案）

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Joelle earns her regular pay of $7.50 per hour for up to 40 hours of work in a week. For e

ach hour over 40 hours of work in a week, Joelle is paid 1 times her regular pay. How much does Joelle earn for a week in which she works 42 hours？

A.$126.00

B.$315.00

C.$322.50

D.$378.00

E.$472.50

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Meg pounded a stake into the ground. When she attached a leash to both the stake and her d

og’s collar,the dog could reach 9feet from the stake in any direc-tion. Using 3.14 for π, what is the approximate area ofthe lawn, in square feet, the dog could reach from thestake?

A.28

B.57

C.113

D.254

E.283

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第2题

What is the least common denominator for adding the fractions 4/15,1/12, and 3/8?A.40B.120

What is the least common denominator for adding the fractions 4/15,1/12, and 3/8?

A.40

B.120

C.180

D.480

E.1440

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第3题

To keep up with rising expenses, a motel managerneeds to raise the $40.00 room rate by 22%

. What willbe the new rate?

A.$40.22

B.$42.20

C.$48.00

D.$48.80

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第4题

Patrons at a certain restaurant can select two of three appetizers—fruit, soup, and salad—

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A.1/2

B.1/3

C.1/6

D.1/9

E.1/12

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第5题

Which of the following integers is the closest to the value for the unit length of one leg

of a triangle with hypotenuse 13,if the other leg is 7 units long?

A.8

B.9

C.10

D.11

E.12

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第6题

In the standard (x,y) coordinate plane, if a triangle with vertices (3,21), (24,1), and (1

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A.(5,2) ; (22,4) ; (3,0)

B.(6,1) ; (21,4) ; (4,26)

C.(1,0) ; (21,3) ; (22,1)

D.(5,22) ; (1,3) ; (4,21)

E.(6,1) ; (21,3) ; (4,21)

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第7题

A certain cube contains 125 cubic inches.What is the surface area, in square inches,of eac

h square face of the cube?

A.5

B.10

C.15

D.20

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第8题

Events A, B, and C occur every 5 days,3 days, and 8 days, respectively. What is the number

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A.45

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第9题

One marble is to be drawn randomly from a bag that contains three red marbles, two blue ma

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第10题

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A.4th

B.5th

C.6th

D.10th

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