Can some one please help -18-17 simplified

Patel’s class voted on their favorite color. patel plans to make a circle graph to display the results. which statements are true about the circle graph patel can create? check all that apply.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

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.