The equation y=-7x-5 and another equation have a solution of (-2,9). Which of the following could be the second equation.
A. Y=1/2x+10
B. Y=-1/2x+7
C. Y=3x-3
D. Y=2x+5

Please explain how to get this answer! To get brainlest.

A

Step-by-step explanation:

Take the (-2,9) and put it in the first equation so it will be 9=1/2(-2)+10 then multiply to get 9=-1+10 then -1+10=9 so 9=9

the answer is 31.27mph

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.