What is the ratio of the problem and then what is the value or fraction of the ratio?

What is the product of the radical expression. (7-2square root) (8+2 square root)

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?