If you put 0 in the place of x or y, which every one you choose, it will cancel it or and you can just divide the number next to it by the answer (-20, 20). Take it one step at a time, don't try to do both at the same time.
Answer:
im pretty sure its b
Step-by-step explanation:
We'll solve this equation in order to find the score of the 4th test, which we denote with x.
. Solving it we find that x=63. And it is the final answer for this problem.
Step-by-step explanation:
28 days. it'll be Emily's 7th visit and Scotts 2nd.
28 is the lowest common factor
