Solve the problem.Mardi received an inheritance of 
. She invested part at 11% and deposited the remainder in tax-free bonds at 12%. Her total annual income from the investments was 
. Find the amount invested at 11%.
A. $39,000
B. $20,000
C. $40,000
D. $53,200
Answer: C
Mathematics
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Answer appropriately.The cost of renting an automobile is $31 dollars per day plus $0.09 per mile. Express the cost c(x) of renting a car for the day as a function of the miles driven x.
A. c(x) = 31x + 0.09 B. c(x) = 0.09x + 31 C. c(x) = -0.09x + 31 D. c(x) = 0.09x - 31
Mathematics
Solve the equation. Use the multiplication axiom.
a = 0
A. {1} B. {-19} C. {19} D. {0}
Mathematics
Graph the inequality.x > -8 
A. 
B. 
C. 
D. 
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.(x + 9)2 - 64
A. (x + 73)(x - 55) B. x2 + 18x + 17 C. (x + 17)(x + 1) D. (x - 1)(x - 17)
Mathematics