Can someone help me with this

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the