Use the square root property to solve the equation.(x - 3)2 = 9
A. 0, 6
B. 12
C. -6, 0
D. ± 3
Answer: A
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Simplify the expression.loge e
A. 
B. 15 loge e
C. loge 15
D. log 
Find the sum.
A. - 
(1 - 7n-1)
B. - 5 (1 - 7n)
C. - 30 (1 - 7n)
D. - 
(1 - 7n)
The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where x0 = 10-3.What is the magnitude of an earthquake whose seismographic reading is 7.7 millimeters at a distance of 100 kilometers from its epicenter? Round the answer to the nearest tenth.
A. 2.7 B. 886.5 C. 3.9 D. 2.9
Referring to triangle ABC, find the area of the triangle. ? a = 76.6 m, c = 42.7 m, B = 16.1° ? Round to three significant digits. ? S = __________ m2
Fill in the blank(s) with the appropriate word(s).