Answer:
11.25
Step-by-step explanation:
15*(1-25%)=11.25
91
273 divded by 3
48 , 336
B= 6 x 8 = 48
V=BH
V=48 x 7
V= 336
the y= equation shows how... b/c we can just plug y into the 2nd equation and eliminate y and have one variable, x , to solve for :)