Order from least to greatest : 15%,0.015,1/5

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

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 ?