One of these 80 students is chosen at random. what is the probability that the student went to the signs museum? (Is this correct?)

How many glue sticks are in a basket containing 96 scissors, if the ratio of glue sticks to scissors is 19 to 57.

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.