What is the value of a such that (−2, 1) and (0, a) lie on a line parallel to the line passing through points (5, 7) and (7, 4)? A. 1
B. −2
C. 4
D. 5

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.

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2