Layla can answer 44 math problems every 20 minutes at this rate, how many problems can she answer in an hour

Identify the number 127 as a rational or irrational. explain

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.

3x = 729 solve for x plz . it's urgent. will mark