Evaluate.a + bc, for a = 
, b = 3, and c = 
A. 19
B. 20
C. 20
D. 18
Answer: B
Mathematics
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Choose the equivalent expression for the given expression.sec2x
A. 1 - csc2x B. 1 - tan2x C. 1 + cot2x D. 1 + tan2x
Mathematics
Simplify the complex rational expression.
A. 7 - a2
B. 
C. 
D. 
Mathematics
Perform the requested evaluation.Given f(x) = x2 - 1, find f(a - 3).
A. a2 - 6a + 9 B. a2 - 4 C. a2 + 9 D. a2 - 6a + 8
Mathematics
Solve the problem. Round to the nearest cent.The March 1 unpaid balance in an account was $231. On March 10, a payment of $60 was made. The interest rate per month was 1.7% per month of the average daily balance. Find the new balance at the end of March.
A. $172.70 B. $174.11 C. $203.03 D. $174.20
Mathematics