In a proposed business venture, a businesswoman estimates there is a 70% chance she will make $56 comma 000 and a 30% chance she will lose $57 comma 000. Determine her expected value.

What other information do you need to prove triangle dac=bca by asa

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction