Question 1 (10 points) (03.01 MC)
The figure below shows a straight line AB intersected by another straight linet:
.
B
Write a paragraph to prove that the measure of angle 1 is equal to the measure of angle 3.(10 points)
PLEASE HELP!! WILL MARK BRAINLEIST

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a