20 * (6/ 8) = □

20 * (4/3) = □

20 * (8/6) = □

20 * (3/4) = □

6 * (8 /20) = □

the parentheses are fractions

the end of the year, after taxes, a manufacturing firm has $230,000 in revenues, $90,000 in production costs, and $140,000 in opportunity costs. How much economic profit did the firm make?

David rides his bike with a constant speed of 12 miles per hour. How long will he take to travel a distance of 12 miles?

What is x minus 1?

In test of significance about an unknown parameter of some population, which of the following considered strong evidence against a null hypothesis

Suppose that y varies directly with x. Given x=2.5 when y=100. Find y when x = 3

Use the work shown to complete the statement The slopes and y-intercepts of the two equations are so this system has The sum of two numbers is 10. The larger number is 4 times the smaller number.

Simplify 4a2 (a3) / 16b (b2)

What is 5,812 rounded to the nearest Thousand?

What fraction of a gigabyte

A factor of 50 between 11 and 20