Kristi and rebecca sell lemonade on the corner for $0.50 per cup. it costs them $0.10 to make each cup. on a certain day, their producer surplus is $20. how many cups did kristi and rebecca sell?

a. 40.

b. 200.

c. 8.

d. 50.

Which sentence uses punctuation correctly? a. Beneath the tall, tree the family ate a picnic of fruit and muffins. b. Beneath the tall tree the family ate, a picnic of fruit and muffins. c.

Find the product of (x - 7) 2 and explain how it demonstrates the closure property of multiplication. x2 - 14x + 49; is a polynomial x2 - 14x + 49; may or may not be a polynomial x2 - 49; is a polynomial x2 - 49; may or may not be a polynomial

If the linear factors are (x+13) and (x+21), then what are are the zeros?

True or False? (4x10) = (4x5) + 4x5

A sales tax of 6% is added to the price of an item. If Marisa buys an item which expression indicates how much she will pay in all. A, n+0.06, B, 0.06n, C, n+0.06n or D, 0.06+0.06n

Henry's calculator is 2 1⁄4 inches wide and 5 1⁄4 inches long. What is the area of the calculator?

How long will it take an object dropped from a window to fall a distance of 78.4 meters?

Alison, the owner of a regional chain of pizza stores, is trying to decide whether to add calzones to the menu. She conducts a survey of 700 people in the region and asks whether they would order calzones if they were on the menu.

What is the completely factored form of x2y - 2xy - 24y?

What is 38.86 rounded to one decimal place, i might have forgot xP