Answer:
8 boys for every 10 girls
Step-by-step explanation:
The answer is -10 because when u plug in -2 for x u get 4(-2)=-8 then -2+-8=-10
Answer:
The first choice is the one you want
Step-by-step explanation:
Use geometric means to solve for a first. The formula is
and 64 = 15a and a = 64/15
That one was quite easy. Finding b is a bit more difficult.
The formula for finding b is

Solving for b:

Filling in we have
and
and
so b = 136/15