Write - 15 as a rational number

Using the concepts of marginal social benefit and marginal social cost, explain how the optimal combination of goods can be determined in an economy that produces only two goods.

Karla paid 15.11 for a sweater that was priced at 13.99. What was the rate of sale tax that she paid?

Simplify negative 9 over 6 divided by 3 over negative 2 ...

Solve 2 (4x + 3) < 5x + 21. x x > - 5 x > - 9 x

Scientific notation: 0.0000901

Which two solid figures have the same volume? A. An oblique solid with a base of 6 cm2 and a height of 12 cm B. A rectangular solid with a base of 6 cm2 and a height of 12 cm C. A cone with a base of 6 cm2 and a height of 12 cm D.

Someone is measuring two line segments, the first one is 49 centimeters long. The second one is 540 millimeters long. How long in centimeters are the two line segments?

Express 125% as a decimal

What could you do to describe the following data, showing temperatures for the week? (Check all that apply.) Mon - 65° Tues - 67° Wed - 66° Thur - 70° Fri - 72° Sat - 68° Sun - 69° Construct a line graph. Find the mean, median, mode, and range.

What is the solution to 3x+2.4≥3.0