60 POINTS TO THE RIGHT ANSWER IF YOU PUT THE WRONG ANSWER IT WILL BE REPORTED TY

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Find the interior angle of a regular polygon which has 6 sides