Acompany is expanding its building area from 16,000 square feet to 19,360 square feet. what is the percentage increase of the area of the building space?
2.1%
21%
79%
33.6%

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1

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?