The output of a function is 10 more than 4 times the input. find the input when the output is -26

How to use order of operation in 20 divide by 4 multiply 5 = 1

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.

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?