A.15
B.24
C.30
D.42
E.48
第1题
Solve the following equation for A : 2A/3 = 8 + 4A
A.-2.4
B.2.4
C.1.3
D.-1.3
E.0
第2题
on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?
A.$280.90
B.$287
C.$292.50
D.$306
E.$333.89
第3题
hat is the average of all five numbers?
A.3
B.17/4
C.22/5
D.9/2
E.5
第4题
t what point?
A.(0,0)
B.(0,-3)
C.(-3,0)
D.(-3,-3)
E.(-3,-6)
第5题
For real numbers a and b, when is the equation ∣a+b∣=∣a–b∣true?
A.Always
B.Only when a=b
C.Only when a=0 and b=0
D.Only when a=0 or b=0
E.Never
第6题
e. The charge forthe use of the plane varies directly with the square root of the time the plane is used. If a lesson plus 16 minutes of plane usage costs $90, what is the total amount charged for a lesson having 36 minutes of plane usage?
A.$185
B.$150
C.$135
D.$110
E.$60
第7题
What is the area of the stained-glass panel, to the nearest 0.1 square foot?
A.3.1
B.4.0
C.6.2
D.8.0
E.12.6
第8题
(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9题
If 9(x - 9) = -11, then x = ?
A.-92/9
B.-20/9
C.-11/9
D.-2/9
E.70/9
第10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
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