The ratio of red collars to black collars sold at one store is 9 to 10. In one month 30 black collars were sold. Is 57 a reasonable number for the total number of red and black collars sold that month. Explain

A construction crew has just finished building a road. the crew worked for 10 days. if they build 2 3/4 kilometers of road each day, what is the total length of road they built?

Then known number in an algebraic expression is

A manager finds a moderate negative correlation between the number of computer sales and the number of microwave sales in his store. Which statement is true? The correlation is most likely due to a lurking variable.

How many cubic yards of dirt must be removed when digging a foundation for a building if the excavation is 94 ft. long and 36 ft. wide and 24 ft. deep?

You buy 30 of your favorite songs from a Web site that charges $0.98 for each song. What is the cost of 30 songs? Use mental math.

Find the sale price of the nearest send a Radio is being discounted 20% if the sale price of the radio is $51.44 what was the original price of the radio

What are undefined integers?

Owen has 12 pieces of rope that are 4 yards each. owen uses 6 pieces that are 6 feet long. how much does he have left

An Olympian swam the 200-meter freestyle at a speed of 1.8 meters per second. An Olympic runner ran the 200-meter dash in 21.3 seconds. How much faster was the runner's speed than the swimmer's speed to the nearest tenth of a meter per second? A 0.

Use the drag and drop tiles to determine whether the number is rational or not rational