D, or The girls are generally taller than the boys.
Hope this helps!
Answer:
Step-by-step explanation:
It is a solution because if you plug in 84 for b you get 84/12 = 7
Answer:
x = 2 y = 3
Step-by-step explanation:
Answer:
x=1 y=3
Step-by-step explanation:
3x+y=6 is the same as y=6-3x
2x-y=-1 is the same as y=2x+1
set them equal to each other
6-3x=2x+1
5x=5
x=1
substitute the value of x into either equation
y=2(1) +1
y=3
