If you have a population standard deviation of 9 and a sample size of 144, what is your standard error of the mean?

Sid and Libby are planning to sell pies at a local fair. They spend $200 to rent a table at the fair. Their costs for ingredients, other supplies, baking, and packaging are $3.00 per pie. Sid and Libby plan to sell the pies for $8 each.

Two times a number minus 8 is less than 5.

How do you find the ratio of a number?

My teacher gave me a sheet of this and no instructions: 1. 5x+2y=10 -5x+7y=8 I don't know what I am suppose to do.

Which function has real zeros at x = 3 and x = 7? f (x) = x2 + 4x - 21 O f (x) = x2 - 4x - 21 Of (x) = x2 - 10x + 21 O f (x) = x2 - 10x - 21

How can you use an equivalent form of the percent proportion to solve a percent problem?

Which of these is the algebraic expression for the verbal expression "five times the difference of a number and six

Yesterday was pajama dress down day. Of the 30 scholars in Columbia, 24 wore pajamas. What percent is 24 out of 30?

Simplify: 1 3 (6ab - 9b) 2 3 (9ab 12b)

As a salesperson, Audrey earns $75 per week plus $5 per sale. This week, she wants her pay to be more than $125. Write an inequality for the number of Sales Audrey needs to make. (You do not have to solve here)