Write as the sum and/or difference of logarithms. Express powers as factors. log12
A. 
log12r + 
log12s - 
log1213
B. 
log12rs - 
log1213
C. 
log12r + 
log12s - log1213
D. 
log12r ? 
log12s ÷ 
log1213
Answer: A
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and x2 + y2 + 8x - 2y + 13 = 0
A. 4x - 3y + 19 = 0 B. 4x + 3y + 19 = 0 C. 6x + 5y + 19 = 0 D. -4x - 3y + 19 = 0
Graph the function over a one-period interval.y = - 
sin
A. 
B. 
C. 
D. 
Consider 
in which m
= 90°. Find the point at which the three altitudes are concurrent.
What will be an ideal response?
Solve the problem.The length of the diagonal of a box is given by D = 
where L, W, and H are the length, width, and height of the box. Find the length of the diagonal, D, of a box that is 
long, 
high, and 
wide. Give the exact value.
A. 2
ft
B. 13 ft
C. 60 ft
D. 
ft