You have a set of 21 songs. How many different groups of 17 could you make?

Suppose e (x) = 3 and e[x (x - 1) ] = 27.5. (a) what is e (x2) ? [hint: first verify that e[x (x - 1) ] = e[x2 - x] = e (x2) - e (x).]

What is the product of 3/4 and 6/7

Church's teachings of Man's family dogs the hands leave 7 cans of dog food for three days they will be a way how much food will the dogs get each day if Trish feeds them an equal amount each day

Five more than the product of 23 and the number n

Find the area ofa rectangle 15ft base 4heiht

Jane is making a suit which requires 2 5/8 yards for the jacket and 1 3/4 yards for the skirt. What is the total amount of material she needs? A. 3 1/2 yards B. 3 2/3 yards C. 4 yards D.

Two more than a certain number is 15 less than twice the number

Mario walks his dog once every 8 days in the park, while todd walks his dog once every 14 days. today, both mario and todd walked their dogs in the park. in how many more days will both boys walk their dogs in the park on the same day?

the sum of three numbers is 81. the second number is twice the first, and the third number is six more than the second. find the number

Your research frm has found that salanies for coffee shop baristas have a normal distrbution with a mean of $16. 164 per year and a standard deviation of $1,459.