Is square root 72 rational or irrational explain

6 Jenna bought n notebooks which cost 5 dollars each, and 3 pens which cost r dollars each. How much money did she spend?

Solve the equation - 3+½n=½ (-n+14)

A portion of a hiking trail slopes upward at about a 6 degree angle. To the nearest tenth of a foot, what is the value of x, the hiker's change in vertical position, if he has traveled a horizontal distance of 120 feet?

You are in charge of managing the advertising for a restaurant. You are able to buy up to 62 advertisements a month, and your data from the previous month shows that you need to buy at least 5 newspaper ads for every 3 television ads to draw in the

Dave found that about 8/9 of the students in his class have a cell phone. What percent of the students in his class do not have a cell phone? Write your answer as a percent and as a decimal. Show work.

4/6 subtracted by 2/6 simplify if possible

a researcher creates two random samples, each with sample size of 12. he does not find a statically significant difference between the two groups.

Gene invested $400 at 4% interest compounded annually. How much is in the account after 1 year? $416.00 $540.00 $816.00 $804.00

Find the probability of getting 3 heads and 2 tails on 5 coin tosses?

What two numbers multiply to - 15 and can also add up to - 7