Are the triangles pqr and trs congruent?

a. yes, because they are the same shape and same size.
b. yes, because the intersect at point r.
c. no, because the arent turned the same direction
d. no, because they arent the same size.

Given right triangle xyz, which correctly describes the locations of the sides in relation to

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

Multiplying fractions by whole number 5 x 1/3=?