What is the value of x in the equation 2x2 + 6x = –5?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

For the functions f(x) = -922 – 2x and g(x) = -32? + 6x – 9, find (f - g)(x) and (f - ).

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot