Which numbers are irrational? Select each correct answer. 21−−√ 14√ 15−−√ −9√

What are the domain and range of the functiony = 2(x - 3)2 + 4?

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 .

Solve 2^x=32 and rewrite this equation in a logarithmic form