Find the LCD of the list of fractions.
, 
A. 3
B. 12
C. 7
D. 4
Answer: B
Mathematics
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Solve the problem.If the points P, Q, R, S, T, U and V are equally spaced and collinear, then find the center and scale factor for the dilation taking 
to 
.P Q R S T U V? ? ? ? ? ? ?
A. Center R; scale factor 1/3 B. Center P; scale factor 3 C. Center P; scale factor 1/3 D. Center V; scale factor 3
Mathematics
Solve the problem.The rate of growth of a microbe population is given by 
where x is time in days. What is the change in population in the first 3 days?
A. 30,272 B. 15,136 C. 60,544 D. 15,129
Mathematics
Find the root. Assume that all variables represent positive numbers.
A. 9
B. z9
C. z36
D. 2z
Mathematics
Simplify. Assume that all variables represent positive numbers.
A. x - 
B. x2 - 4x + 4
C. 
- 
D. x - 2
Mathematics