Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log8
A. 
log813 - log87
B. log87 - log8
C. log4
- log47
D. log8
+ log87
Answer: A
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If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.ab4 - 36a3b2
A. ab2(b + 6a)(b - 6a) B. a(b2 + 6ab)(b2 - 6ab) C. ab4 - 36a3b2 D. ab2(b - 6a)2
Solve.x5 - 25x3 ? 0
A. (-?, -5] ? [0, 5) B. [-5, 0] ? [5, ?) C. [-5, ?) D. (-?, -5] ? [5, ?)
Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.A wicker basket has a circular rim with a diameter of 7 in. How many inches of ribbon are needed to go once around the rim?
A. 22 in. B. 20 in. C. 49 in. D. 44 in.
Solve the problem.The diameter of a circle is given by the formula D = 
, where C is the circumference. The diameter of a tree was 10 in. During the following year, the circumference increased by 
Use D'(C) to estimate how much the tree's diameter increased in that year.
A. 
in.
B. 
in.
C. 
in.
D. 
in.