C would be the correct answer. You caanot multiply just one part of an equation, you must multiply the whole thing. All of the other steps follow this rule, so C is an incorrect step, and is therefore the correct choice.
Hope this helps!
Answer:
(-1,7) is the midpoint of these two points
Step-by-step explanation:
The line slopes downward. More specifically, as x increases, y decreases. Since x is the number of hours trained and y is the mile time, this must mean that the more Mario trains, the shorter his mile time gets.
Answer:
8 x 4 = ( 5 x 7) - ( 1 x 3)
Step-by-step explanation:
7 x 5 = 35
3 x 1 = 3
so 35 - 3 = 32
8 x 4 = 32
