Please help and explain how you got the answers (like the steps to it and give an example plz)

y-y1=4(x-x1)

step-by-step explanation:

this is point-slope form since you only have 4 as the slope it goes in place of m

hope this : )

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

i got 10.28 but that rounds up to 10.3

$15 each

step-by-step explanation:

$45/3 children= $15 each