In order to determine her pulse rate, junes nurse counted 18 beats in her pulse in 15 seconds. at this rate, how many beats would she have in 60 seconds?

For what value of (y) is 3^3/3^y =1/9

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Factor the polynomial expression x6 – x3 – 20