Find the exact value using a double-angle identity.tan(300°)
A. 0
B. 
C. - 
D. - 
Answer: C
Mathematics
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Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(-8x5)(-4x4)
A. -12x9 B. -32x20 C. 32x9 D. -12x20
Mathematics
List all the factors of each number.231
A. 7 ? 7 ? 3 B. 3 ? 3 ? 11 C. 3 ? 7 ? 11 D. 21 ? 11
Mathematics
Graph the function.y = -2 cot (2x)
A. 
B. 
C. 
D. 
Mathematics
Solve.When Maria finished medical school she owed $42,000 in student loans. She repaid 
of the total amount within two years of graduating. How much did she repay within two years of graduating?
A. $33,600 B. $30,240 C. $3360 D. $36,960
Mathematics