A sack of potatoes weighs 80 ounces. A sack of apples weighs 64 ounces. What is the total weight, in pounds, of one sack of potatoes and one sack of
apples?
A. 144 lbs.
B. 2,304 lbs.
C. 9 lbs.
D. 12 lbs.

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?