Solve.Last year, Sam's average telephone bill was $179.83. Last month, his telephone bill was $220.69. How much above last year's average was last month's bill?
A. $41.86
B. $30.86
C. $40.86
D. $40.96
Answer: C
Mathematics
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The lengths of the legs of a right triangle are given. Find the hypotenuse.a = 4, b = 3
A. 7 B. 25 C. 2 D. 5
Mathematics
Solve the problem.A student took out two loans totaling $15,000 to help pay for college expenses. One loan was at 10% simple interest, and the other was at 5%. After one year, the student owed 
in interest. Find the amount of the loan at 5%.
A. $10,000 B. $250 C. $5000 D. $1000
Mathematics
Prove the identity.sec 2? = 
What will be an ideal response?
Mathematics
Use the indicated property to write a new expression equal to the given one. Simplify the expression if possible.-7 ? 1; identity
A. 1 B. 7 C. -1 D. -7
Mathematics