What is the equation for(10,3); m=-2

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm