Solve the problem.Two angles are complementary. The second angle measures 66° less than the first angle. What is the measure of the first angle?
A. 168°
B. 22°
C. 114°
D. 78°
Answer: D
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Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = - 
x2 + 3x - 2
A. opens up B. opens down
Factor completely.x2 - x - 12
A. (x + 4)(x - 3) B. (x - 4)(x + 4) C. (x + 1)(x - 7) D. (x + 3)(x - 4)
Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Add the numerators and multiply the denominators. B. Invert the second fraction (divisor) and multiply. C. Invert the second fraction (divisor), add the numerators and multiply the denominators. D. Add the numerators and factor the denominators.
Write the expression as the logarithm of a single quantity.ln (x2 - 64) - 2 ln (x + 8) - ln(x - 8)
A. ln 
B. ln [(x2 - 64) - (x + 8)2 - (x - 8)]
C. ln 
D. -ln 2