Solve the equation for all complex solutions, giving exact forms in your solution set.7x4 + 9x3 - 26x2 - 36x - 8 = 0
A. 
B. 
C. 
D. 
Answer: D
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Two denominators are given. Find the LCD.7m, 28m
A. 33m B. 32m C. 25m D. 29m E. 27m F. 28m
Name the property illustrated by the sentence.8(a + b) = 8(b + a)
A. Commutative property of addition B. Commutative property of multiplication C. Associative property of addition D. Distributive property
The cost function for a certain model of personal digital assistant (PDA) is given by 
, whereC is measured in dollars andxis the number of PDAs produced. Write a model for the average cost per unit produced and also find the average costs per unit when ?x ?= 180 and ?x? = 1030. (Round your answer to two decimal places.)
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A. 
?
B.
C.
D.
?
E.
?
Find the total amount in the compound interest account.$18,000 at 5% compounded annually for 5 years
A. $21,600.00 B. $21,879.11 C. $22,500.00 D. $22,973.07