Can someone help. Please!

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

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