Jen wants to buy a dress that originally had the price of $33, but now it is on sale 10% off. how much will jen pay for the dress?

Let r = 3. what is the value of r + 58?

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Y=21.95x+10 y=22.45x solve by substitution