Celine is estimating the number of tiles in a mosaic. there are 7 different colors and 1725 tiles of each color what should celine estimate be?

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 .

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)