What u. s. customary unit is closest to a

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.

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.

Apply the distributive property to simplify the expression. −4(5x + 2)