Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log x + log(x2 - 64) - log 7 - log(x - 8)
A. log 
B. log 
C. log 
D. log 
Answer: B
Mathematics
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Find the height of the triangle using Heron's formula. Round your answer to two decimal places as needed.
A. 5.25 yd B. 2.62 yd C. 3.71 yd D. 1.86 yd
Mathematics
Use the quadratic formula to solve the equation.2x2 - 16x + 30 = 0
A. 0, 3, 5 B. -3, -5 C. 2, 3, 5 D. 3, 5
Mathematics
Find the requested characteristic.Graph f(t) = sec 
on the interval 
using dot mode. Identify where asymptotes occur in the graph.
A. t = ± 2?
B. t = 0 and t = ± 
C. t = ± ?
D. t = 0 and t = ± ?
Mathematics
Evaluate the expression for the given value or values.a2 - (-b)2 for a = 4, b = 3
A. 25 B. 24 C. 7 D. 14
Mathematics