Simplify the expression 224,000 X 0.00021 using scientific notation and express your answer in scientific notation.

The ratio of two supplementary angles is 4:5. Find the measures of each angle.

Solve the equation by completing the square. round to the nearest hundredth if necessary. x^2+2x=8

The diameter of a semicircle is 98 meters. What is the semicircle's radius?

How do you type 40:16 ratio in to simplest form

Sean's office is 5 feet by 8 feet. Beth's office is 4 feet by 8 feet. How much larger is Sean's office?

What is the constant in the mathematical expression? 3 - 5x A. 3 B. - 5x C. x D. 5x

If p+q+r = 1 and pq+qr+pr = - 1, and pqr = - 1, find the value of

How do you solve 4/9-1/9

The pie chart is commonly used to present: A. budgets B. temperatures C. rain fall D. population growth

Two friends start a business. Together they spent 800 dollars for their initial inventory. They will sell all of their initial inventory for a profit, which will be split evenly among themselves.