Pls help I will mark brainlist if correct!! :) choose an answer for part A and B

Part A:

Your answer is D, 20 so you got that correct nice job!

Part B:

I believe it is either D, 4 or A, 1. I believe it is D though so you should choose that. The reason is because there is 4 that are 7 1/4 inches.

Brainliest is very much appreciated.

anser is a

step-by-step explanation:

negitive slope

option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.