D
4x - 2 = 10; 3
4(3) - 2 = 10
12 - 2 = 10
10 = 10
A. 0.60 cents each.
Explanation: 1.20 dollars divided by two is 0.60 cents.

cross multiply
12x=180
divide both sides by 12
x=15
if their is 10 girls, then you need
5 more to keep the ratio.
Answer:
7). up 4 over 4
8). up 1 over 2
Step-by-step explanation:
hope this helps :)
Answer:
6/7
Step-by-step explanation:
Your first step will be to find the slope of Line C. Using the slope formula of
, the slope of Line C is
.
If Line D is perpendicular to C, that means the slope is the negative reciprocal of Line C. So, that means the slope is 6/7.