Find the geometric mean of the pair of numbers 36 and 4

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Which statement describes surface features called maria on the moon

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !