A recipe includes 5 cups of flour and 1/4 cup of shortening Jenny said the ratio of flour to shortening was 1 to 20 find the error and explain

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

What numbers are included in the set of integers? what numbers are not included?

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?