Abby can buy an 8-pound bag of dog food for $7.40 or a 4-pound bag of the same dog food for $5.38 . which is the better buy

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?

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?