(a + 2b + 3c) - (4a + 6b -5c) is equivalent to:
A.-4a - 8b - 2c
B.-4a - 4b + 8c
C.-3a + 8b - 2c
D.-3a - 4b - 2c
E.-3a - 4b + 8c
第1题
If 9(x - 9) = -11, then x = ?
A.-92/9
B.-20/9
C.-11/9
D.-2/9
E.70/9
第2题
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
第3题
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
第4题
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
第5题
. What willbe the new rate?
A.$40.22
B.$42.20
C.$48.00
D.$48.80
E.$62.00
第6题
along with two of three vegetables—carrots, squash, and peas.What is the probability that any patron will select fruit, salad, squash, and peas?
A.1/2
B.1/3
C.1/6
D.1/9
E.1/12
第7题
of a triangle with hypotenuse 13,if the other leg is 7 units long?
A.8
B.9
C.10
D.11
E.12
第8题
,23) is translated 2 units up and 3 units to the right, what are the new coordinates of the triangle’s vertices?
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)
第9题
h square face of the cube?
A.5
B.10
C.15
D.20
E.25
第10题
of days after events A, B, and C all occur on the same day that they all occur again for the first time on the same day?
A.45
B.65
C.80
D.90
E.120
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