Answer:
A
Step-by-step explanation:
is there a need for explanation
Answer: -100 + x = 40
Step-by-step explanation: We know she starts at -100 feet, she is increasing in elevation, so we want to add a positive x to her initial value of -100. If we keeping adding that x, it will soon result in a positive value of 40.
Answer:
6x + 2
Explanation:
4 + -2 = 2 and x + 3x + 2x = 6x
Answer:
cran
Step-by-step explanation:
Answer: 4x^6y^10
Explanation:
(-2x^3)^2 x y x y^10
= 4x^3 x 2 x y^1+9
4x^6 x y^10
= 4x^6y^10