Factor the polynomial by grouping.4x2 - 5x + 8
A. (4x - 8)(x - 1)
B. (4x - 1)(x - 8)
C. (2x - 8)(2x - 1)
D. prime
Answer: D
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?The number 
is an element in which of the following sets?
A. ?Real Numbers B. ?Rational Numbers C. ?Integers D. ?Whole Numbers E. ?Numbers greater than 7
E = 22 V, VR1 = VR5 , VR2 = 10 V, VR3 = 7 V, and VR4 = 3 V. What is the value of VR1 ?
a. 12 V
b. 15 V
c. 7 V
d. 6 V
e. 10 V
Solve the problem. Round rates to the nearest tenth of a percent and dollar amounts to the nearest dollar when necessary.An office supply store sells a computer disk for $87.95. If the cost is $60.67, find the percent of markup on cost and the equivalent percent of markup on selling price.
A. 69%, 145% B. 45%, 69% C. 45%, 31% D. 69%, 31%
Decide whether the statement is true or false.log990 - log910 = 1
A. False B. True