Which of the following doesn't belong?

20-6-15-18-4

How do find the slope of something?!!

A ski resort charges a fee for renting skis or snowboards that is proportional to the cost of admission. The admission cost for skiing is $32 and the total cost (cost of admission and fee) is $54.40. The admission cost for snowboarding is $38.

What is the value of the expression 9 + 4 n minus 1 when n = 3?

What is the decay constant for plutonium 240 if it's half life is 6,300 years?

A/4 - 5/6=-1/2 solve for a

Where does the line y = 4x + 1 intersect the y-axis (the y-intercept) ?

Abby is making tie-dyed shirts. Each shirt costs $3.95 and the dye for each shirt costs $0.50. She also needs to buy boxes of salt for $9.00. If she has $124.70 to start with, then how many tie-dyed shirts can she make?

In a sample of 800 adults, 214 think that most celebrities are good role models. Two us adults are selected from this sample without replacement. find the probability that both adults think most celebrities are good role models

Complete this activity. Mr. Home buys two quarts of ice cream, one carton of soda, and three sacks of cookies for a Sunday School party. The respective unit prices are 60, 70, and 45 for each unit. On his way home Mr.

The school you want to go to has an acceptance rate of 15%. That means that 15% of the students who apply to the school get in. The school took 1800 students last year. How many students applied?