Of a pentagon are 58 degrees and 83 degree respectively the other three angles are in the ratio of 5 5 6

Find the total area for the regular pyramid ( follow the answer set up in the picture)

Why do interests rates on loans to be lower in a weak economy than in a strong one

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