Answer:
b . 4/5
60 :15 minute : 4
3 /15 x 4 = 12/15 = 4/5
y - 4 = 3x + 12
y= 3x + 12 + 4
y = 3x + 16
Step-by-step explanation:
b = 4
(2x+3) x (x-7)