Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x?
1+ 211
0-13 19
1+219
17 19

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?