Answer:
c. 19
Step-by-step explanation:
This model is describing a function. You put in a number for x, in this case, the input of 7 on the side. You solve the equation with that x-value to get a y-value/output.
x=7
y=3x-2
y=3(7)-2
y=21-2
y=19
the answers are B,D and F
2(lw+lh+wh)
2(lw+lh+wh) using distributive property
x<-25