I need to know what is the factor is the ball height changing after each bounce

Find the quotient. 50a2 – 98b2 -5a +7b

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?