Solve the logarithmic equation.log4 (x - 8) + log4 (x - 8) = 1
A. 10
B. -
, 
C. -10, 10
D. 
Answer: A
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Solve the problem, if possible. Round your answer to the nearest tenth, when appropriate.A book has pages that are 
by 
. The printed matter on a page of the book must cover 
. If all margins are to be the same width, how wide should the margins be?
A. 3 cm B. 2 cm C. 9 cm D. 12 cm
Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 + 5 = 0
A. a. center = (0, 0); radius = 5
b. (-
, 0), (
, 0), (0, 
), (0, -
)
B. a. center = (0, 0); radius = 
b. (-
, 0), (
, 0), (0, 
), (0, -
)
C. a. center = (0, 0); radius = 
b. (
, 0), (0, 
)
D. a. ?
b. ?
Solve the problem.The two charts show the weight gain of some people and the weight loss of other people. Use the information given to answer the question below. 
What is the difference between the weight gain of Bob and the weight loss of Ed?
A. 6385 grams B. -6385 grams C. 2031 grams D. -2031 grams
Perform the operation indicated. Simplify.
+ 
A. x + 2
B. x - 3
C. x - 2
D. 