Answer:
D
Step-by-step explanation:
-3*7=-21k+2
Change in y over change in x aka y2-y1/x2-x1
Plug in the x and y variables and solve.
Idk why you need
Two hundred and twenty one billion
Answer: -1
Step-by-step explanation:
-4-0=-4
2-(-2=4
-4/4=-1
Answer: 6-10
Explicacion: ...................