What is 25 minus 30 ( practice question )

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

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

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?