1. Find the angle of elevation of the line y = -x + 2 2. Given the equation S = 2pirh + 2pir^2, solve for r by completing the square

Please help, I normally do well in mathematics but I have no idea what process I would even use.

Landon wallin is an auto mechanic who wishes to start his own business. he will need $4400 to purchase tools and equipment. landon decides to finance the purchase with a 48-month fixed installment loan with an apr of 5.5%. a) determine landon's finance charge. b) determine landon's monthly payment.

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?