Answer:
the y-coordinate of the spaceship
Step-by-step explanation:
It's what it said on edge
Add 21 to both sides, so you get 9z = 81
Answer: C
Step-by-step explanation: All the the numbers can be multiplied evenly into 15a^2b^2
>5a^2b *3b = 15a^2b^2
>15ab^2 * a =15a^2b^2
>15a^2b * b =15a^2b^2
Answer:
x-30
Step-by-step explanation:
Firstly, you do the first step, which is, 3x-18+4x+12-6x, then you continue simplifying it: 7x-18+12-6x.
Keep it on and on, the next step: x-18+12, add 18 and 12 together you get 30.
So the final answer is x-30
