Answer: it will take 7 seconds
Step-by-step explanation: 9 x 7 = 63
The sum means addition.
Add the like terms together.
4x^3+2x^2-4x+3
+ 7x^3-4x^2+7x+8
4x^3 + 7x^3 = 11x^3
2x^2 + -4x^2 = -2x^2
-4x +7x = 3x
3 +8 = 11
The answer is : 11x^3 - 2x^2 + 3x + 11
Step-by-step explanation:
Line through (0,−3) slanting down.
Answer:
-144 or 2 5
