Perform the indicated operations and express your answer in the form a + bi. 
A. -5
B. -5i
C. 5
D. 5i
Answer: D
Mathematics
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Express the number in terms of i.-
A. -26i
B. 
C. 
i
D. -
i
Mathematics
Divide.-12 ÷ 4
A. -8 B. 3 C. -3 D. 8
Mathematics
To find the number of units that gives break-even for the product, solve the equation R = C. Round your answer to the nearest whole unit.A manufacturer has total revenue given by the function R = 258x and has total cost given by
where x is the number of units produced and sold.
A. 284 units B. 232 units C. 3430 units D. 4198 units
Mathematics
Solve the problem. Round to the nearest dollar if needed.Domenica invests $200 each quarter in a fixed-interest mutual fund paying annual interest of 5% compounded quarterly. How much will her account have in it at the end of 7 years?
A. $1628 B. $19,912 C. $6656 D. $6785
Mathematics