Sandra worked 6.2 hours on Wednesday, 5.5 o. Thursday and 3.5 hours on Friday. Which of the following is closest to the mean number of hours she worked over the three day period?

A:3 hour

B:4 hour

C:5 hour

D:6 hour

3 ten thousand + 14 tens + 16 ones

Skylar repairs microwaves. Her revenue equals R (h) = 80 + 30h dollars for every h hours she spends repairing microwaves. Her overhead cost equals C (h) = 10h^2 - 20 dollars. After how many hours does she break even?

Solve what is the answer -2z+3+7z=-12

4,693,593 to the nearest million

What is the next two answers in the sequence? 1.5 3.9 6.3 8.7 ... ?

What is - 119/5 as a mixed number?

Alexa has set up a lemonade stand outside her house and sells small cups and large cups of lemonade. Each small cups holds 8 ounces of lemonade and each large cup hold 16 ounces of lemonade.

5. Solve the system of equations. 2x+3y=0 x-2y=-7 1-5y =

What is the answer to 12 (4x+2)

Which function is not continuous