Which equation is correct regarding the diagram of circle O? mZXZY = {(a+b)
m ZXZY = {(a−b)
m ZXOY = {(a+b)
mZXOY = {(a - b)

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

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?