The area of a circle is 286 cm2. Use the π button on your calculator for π in your calculations.

8a

If its radius is r cm, find r, correct to 2 decimal places.

Be careful not to round your answer until the very end.

PT=x+2, TR=y, QT=2x, TS=y+3

What is 2 3/4 plus 1 1/2?

Review of Significant Figures: How many significant figures does the result of the following calculation have: 24.78 * (37.3-31.72) ?

If you go out to eat with three friends and your meal was $72.50 there's a 6.75% sales tax and you should tip the waiter 15%. How much should each person pay?

Which shows 4x 2y = - 16 in slope-intercept form? a. y = 2x - 8 b. y = - 2x - 8 c. y = 1/2x - 8 d. y = 1/2x - 16

Mrs. Jacobsen purchased a 5-pound package of ground beef for $12.40. She decided to use 8 ounces each day for dinner recipes. What was the cost of ground beef per meal?

If (7^2) ^p = 7^6, what is the value of p? 2 3 4 8

The population at Saint Maria High increased from 1800 students ten years ago to 1926 students last year. What was the percent increase?

A triangle is placed in a semicircle with a radius of 7cm, as shown below. Find the area of the shaded region. Use the value 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer. 7cm

What can each term of the equation be multiplied by to eliminate the fractions before solving