Which algebraic expression represents "the sum of a number and 9"?

n minus 9

n + 9

9 n

StartFraction n Over 9 EndFraction

Jesse wants to build a wooden chest with a volume os 8,100 cubic inches. the length will be 30 inches and the width will be 15 inches. how tall will the chest be?

Traci wants to buy rings that cost 50$ each. A jewler is offering a deal in which you buy 1 ring and get the 2nd for 25% off and the 3rd fo 50% off. The sales tax is 8%. Traci will buy 3 rings.

If two out of every 10 high school students are licensed drivers, about how many students would be expected to have driver's licenses in a high school with 615 students?

1) Cindy and Mary are running in a marathon. Cindy ran 21.6 miles and has 4.6 miles left to run. Mary ran 24 miles. How many more miles does Mary have left to run?

If the parent function is square root x. describe the translation of of the fuction square root x-1

What is the y-intercept of y = 1 + 6x?

A class of 20 music student say they play instruments 8 play guitar and 9 play piano how many people play both

Find the center and radius of (x + 9) ^2 + (y + 6) ^2 = 9. a: (-6, 9); 3 b: (-9, - 6); 3 c: (9, 6); 3 d: (-6, - 9); 9

A boy walks 1000 m at an average speed of 4 km / h and then runs 22 km in 10 minutes. A) Calculate his time in minutes he takes to walk the I000 m B) his running speed in kilometres per hour C) his average speed for the whole distance

Solve for x. 5 1/4 + x + 6 5/6 + 4 2/3 = 22 1/6 A. 5 5/12 B. 6 1/2 C. 6 7/12 D. 7 1/2