Write a quadratic function in vertex form whose graph has the vertex (1,8) and passes through the point (3,12)​

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

What are the soultion(s) to the quadratic equation 40- x^2=0

Divide. write in the simplest form. 4 1/6 divided by 10