If y = x^3 + x
please help! :)

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 is greater, 7 p 5 or 7 c 5? 7p5 7c5

Describe how making an ‘and’ compound sentence effects your solution set