Put the following equation of a line into slope-intercept form, simplifying all fractions. 6x+15y=-15

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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?

The sum of five and a number n is at least 12