Find the constant of proportionality (r) in the equation y=rx

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

How do you do the foil method with polynomials?

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!