Answer:
10% of choosing a 7th grade boy.
50% of choosing 8th grade boy
Step-by-step explanation:
Answer: f(x)=
Step-by-step explanation:
Y varies directly as x: y=kx, k is a constant.
when x=7, y=21, so we know k=3
therefore, the equation is y=3x
Answer:
Maurice is correct.
Step-by-step explanation:
Because in order to multiply correctly you must find the total number of turbines that has been built.