Solve the problem.Erika spent 
hour on her computer visiting a history website and a science website. She spent 
hour at the history website. How many hours did she spend at the science website?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: D
Mathematics
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Determine the indicated arc or angle.Find ?ACB.
A. 34° B. 90° C. 74° D. 67°
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln 
A. ln e3 + ln 8 B. ln e3 - ln 8 C. 3 + ln 8 D. 3 - ln 8
Mathematics
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(8x - 1)2
A. 64x2 - 16x + 1 B. 64x2 + 1 C. 8x2 + 1 D. 8x2 - 16x + 1
Mathematics
Solve the quadratic equation.x2 + 2x - 48 = 0
A. x = -6 or x = 8 B. x = -48 or x = 0 C. x = 6 or x = - 8 D. x = -6 or x = - 8
Mathematics