An object that weights one pound on the moon will weight about 6.02 pounds on earth. suppose a moon rock weights 11 pounds on the moon how much will the same rock weight on earth

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota