A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.P = 2L + 2W; P = 24, W = 6
A. 6
B. 9
C. 12
D. 18
Answer: A
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Solve using the formula for the future value of an ordinary annuity.Starting in January, you make monthly payments at the end of each month into an account paying the specified yearly interest. Interest is compounded monthly. How much will you have available by the specified date?monthly payment, $200; yearly interest rate, 5%; date, August 1
A. $1417.62 B. $1768.29 C. $1517.62 D. $1167.62
Solve the system of linear equations.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Solve the absolute value inequality. Express the answer using interval notation.
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 1 + 2 sin ?
A. x2 + y2 = 
+ 2x
B. x2 + y2 = 
+ 2y
C. 
= x2 + y2 + 2x
D. 
= x2 + y2 + 2y