Last month the cost of using the air pump at a garage was 20p. This month the cost of using the air pump is 50p Tom says,
50/20= 2.5 so the cost of using the air pump has increased by 250%
Is Tom correct? Explain your answer

i can answer this question sweetie!

step-by-step explanation:

(3x-8) or (3x+8)

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

idk

step-by-step explanation:

payback