If b = the number of blue bikes, which algebraic expression represents the

phrase below?

the sum of the number of blue bikes and the 9 red bikes

O A. b-9

O B. b+9

O C. 6.9

O

D. 6=9

A circle has a diameter of 10 centimeters and a central angle eog that measures 210°. what is the area of the shaded sector? use 3.14 for pi and round your answer to the nearest tenth.

One month, 24 employees earned a bonus and 56 employees didn't earn one. Express the number of employees who received the bonus as an unsimplified ratio to the number of employees who didn't receive the bonus. A. 56:80 B. 24:80 C. 56:24 D. 24:56

The company financial officer was interested in the average cost of PCs that had been purchased in the past six months.

Here are the heights in inches of 10 professional basketball players: 66, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these heights is 77.6 inches.

5 (6-x) when x equal 9

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I need to know how to graph (15,45)

82.53 is 315% of what number?

Which is a number between 1/6 and 1/4? A. 7/24 B. 1/7 C. 3/16 D. 2/7