PLEASE HELP ME ASAP! Tony paints 21 square feet in 10 minutes.

A. What Fraction represents his constant rate, C?

B. What fraction represents his constant rate c, if it takes him x minutes to paint 84 square feet.

C. Write and solve a proportion using the fractions from parts (a) and (b) to determine how much time it takes him to pain 84 square feet.

D. Write a two-variable equation to represent how many square feet Tony can paint over any time interval.

PLEASE HELP ME ASAP!

Bonnie and bobby are saving money for a vacation. each friend starts with an amount and also saves a specific amount each week. bonnie created a table to show the total she has saved at the end of each week.. weeks 0 1 2 3 4 5 6 7 8 amount saved 12 16 20 24 28 32 36 40 44 bobby came up with the following equation to show the total, y, he has saved at the end of each week, x. y = 12x + 4 compare the rate at which each friend saves money. select the correct answer from the drop-down menu to complete the statement. the rate at which bobby is adding to his savings each week is $ more than the rate at which bonnie is adding to her savings each week.