3. which equation has a constant of proportionality of 2?
a. y=x+2
b. y = x - 2
c. y=2x
d. y=1/2x

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)

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

What is the value of x? enter your answer in the box.