Answer: OPTION B.
Step-by-step explanation:
For this exercise you need to find the Greatest Common Factor (GCF).
The steps are:
1. Descompose the given numbers into their prime factors.
2. Choose the common ones and multiply them.
Then, knowing that the florist has 72 red roses and 40 white roses, you get that the Greatest Common Factor is:

In order to find the number of white roses in each bouquet, you need to divide the number of white roses the florirst has (40 roses) by the Greatest Common Factor.
Then, you get:

Answer:
25%
Step-by-step explanation:
The price dropped by $7, because $28-$21=$7.
7/28 is 1/4. 1/4 in a percentage is 25%, because 1/4=25/100
Answer:
C. X = 10
Step-by-step explanation:
2x - 17 + (-8) + 2x = 15
4x + (-25) = 15
4x = 40
x = 10
Answer:
opposite half-planes – the two half-planes that are separated by a particular line of the plane. If points Y and Z are in opposite half-planes, the segment joining them must intersect the edge.
Step-by-step explanation:
I believe that the question is assuming this is taking place over one month here is what I think you would do.
1) 75/12.5 = 6
2) add that answer to 75, so 75+6, and you get 81