What is the standard deviation of the data set?

21 6 18 21 20 14 19

A = 29.3

B=5.0

C=25.1

D=5.4

X-y=-1 graph and put in slope intercept form

The front of an A-frame house is in the shape of a triangle. The height of the house is 20 feet. The area of the front of the A-frame is 600 square feet. Write and solve an equation to find the base of the A-frame house.

What is 7 1/2 hrs before 2:12 am

4x + 3y = 8 x - 2y = 13 solve using elimination method

Is 8 pounds more than less then or equal to 96 ounces

Domain of f (x) = - 7 (x-8) + 1

I'm trying to figure out the formula for figuring out percentages. For example, what percentage of 3175 is 510?

10!/ 4!2!2! divide using scientific calculator npr c (n, r) = n/r! (n! r!)

What's - x + 10 = - 4

The apartment complex where Stacy lives has increased the rent by $150 every year. When she first rented there 3 years ago, it cost her $600 for a one-bedroom apartment. What will be the rent five years from now?