Collect like terms and write in descending order.4z7 + 8z8
A. 8z8 + 4z7
B. 12z15
C. 12z7
D. 12z8
Answer: A
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Use a grapher to graph the function.A circular hoop has a point marked on the rim. It rolls on a stretch of level ground beginning with the marked point on the ground. The parametric equations for the path of a point on the rim of the hoop are 
and 
. Graph the function for 
.
A. 
B. 
C. 
D. 
Solve.For the following whole number, write the number as a product of its prime factors. 36 =
A. 22 ? 33 B. 4 ? 9 C. 23 ? 32 D. 22 ? 32
Find the requested value using the given stock table. 
PE ratio for CommSource (CSC)
A. 35 B. 12 C. 24 D. 21
Solve the problem.The amount of a radioactive substance present, in grams, at time t in months is given by the formula 
Find the number of grams present in 4 years. If necessary, round to three decimal places.
A. 2140.644 B. 214.064 C. 0.000 D. 0.001