ok so i have this homework and it's asking if 13 is a composite number or a prime number and i am confused please help me!

How do you determine whether a relationship represented as as graph is linear or nonlinear

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)