A machine makes 280 children's toys in 20 minutes. What expression equals the

unit rate per hour?

A homeowner has decided to fill in his in-ground pool because it is no longer used. Assume the pool is rectangular and measures 20 feet wide, 40 feet long, and 5.5 feet deep throughout. Each cubic yard of fill dirt costs $12.

A company that manufactures video cameras produces a basic model and a deluxe model. Over the past year, 30% of the cameras sold have been of the basic model.

In order to calculate the estimated standard error of the mean, one need only know

As a member of a music you can order CDs for $14.99 each the music club also charges $4.99 for shipment the expression 14.99n+4.99 represents the cost of n cds find the total cost for ordering three cds

Is (1,-2) a solution of y≥-6x-3?

Kiri and Peter share some sweets in the ratio 6 : 7. What fraction of the sweets does Kiri receive?

Which expressions are equivalent to - 1/3 + (-5/6) + (-7/3) ? Select each correct answer. - (1/3+5/6) + (-7/3) -5/6 + (-1/3) + (-7/3) -1/3 - (5/6-7/3) -1/3 + (-7/3) + (-5/6)

Mom pays $116 each week for groceries plus $28 for each fast-food dinner. She has $200 to spend each week for all the family's food.

Which statement allows for us to conclude that line m and line n are parallel?

Martha changed 350 US dollars into 385 Australian dollars. How many Australian dollars did she receive for each US dollar?