What is the slope of a line that passes through the following points (4, 6) and (2, 0)?

What is the vertex form of f(x) = x2 + 6x + 3

What is r i 4.5+10r=-6.5 with work pls

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.