Add or subtract as indicated.(14x2y2 + 15y4) - (-8x4 - 7x2y2 + 15y4)
A. 8x4 + 21x2y2
B. 29x6y4
C. -8x4 + 7x2y2 + 30y4
D. 8x4 + 21x2y2 - 30y4
Answer: A
Mathematics
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Express the ratio in simplest form.4 yd to 15 ft
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Domenica invests $200 each quarter in a fixed-interest mutual fund paying annual interest of 5.5% compounded quarterly. How much will her account have in it at the end of 7 years?
A. $1653 B. $6775 C. $6904 D. $20,282
Mathematics
Solve the problem.Lou has an account with $10,000 which pays 9% interest compounded annually. If to that account, Lou deposits 
at the end of each year for 
find out the amount in the account after the last deposit.
A. $36,465.65 B. $32,865.65 C. $36,981.46 D. $22,865.65
Mathematics
Solve the system by graphing.x2 + y2 = 25x2 - y2 = 25
What will be an ideal response?
Mathematics