Which exponential expression is equivalent to the one below
(54 • (-13))66
o a. 66. (54 • (-13))
o b. (54) • (-13)66
o c. (54) - (-13756
od. (5466+ (-13166

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.