Answer:
Look at explanation.
Step-by-step explanation:
The equation y = 15x + 15 is using the equation y = mx+b. m, or in this case 15, represents the slope of the equation. b, or in this case 15, represents the y-intercept.
B.
step by step explanation
(4x+7)(4x+7)
1.2
7
7²/x²-2 when x=3
49/3²-2
49/9-2
49/7
answer=7
