Flora made 7 withdrawals of $75 each from her bank account. what was the overall change in her account?

The two cones below are similar. what is the height of the smaller cone?

Urgent what is the area of this polygon? 28.5 units² 34.5 units² 37.5 units² 40.5 units²

An eagle is flying at a constant height of 1000root3 meters from the ground level . a boy standing on the ground observes the angle of elevation of the eagles as 45. after 15 seconds it's angle becomes 30. find it's speed in km/hr