How many apples do I have if I start out with 20 and give 5 away

Suppose that A is the set of sophomores at your school and B is the set of students in discrete mathematics at your school. Express each of these sets in terms of A and B. a) the set of sophomores taking discrete mathematics in your school.

42 is what percent of 20?

Find the slop of - 1.-1 and 4,-4

Jaz was 43 inches tall. Eighteen months later, she was 52 inches tall. Determine the constant rate of change for jaz's height.

Can someone tell me how to do this.

Julie and Jim live 230 miles apart. At the same time, they start driving toward each other on the same road. Julie's constant rate is 60 mph and Jim's constant speed is 55 mph. How many hours will it take them to meet?

Find the value of each expression when a=-2 b=-3 and c=5 5a - (4b+6c) = ?

Ms. Liebowitz has a choice of driving or flying from Morgantown, West Virginia to Washington, D. C. for a one-day business trip. If she travels by air, she will be able to work seven hours in D. C.

Which scenario describes a situation where X varies directly with y

3 Select the correct answer. A square field was enlarged by adding 5 feet to the length and width of the original field. If the area of the enlarged field is 576 square feet, what was the side length of the original field? A. 29 feet 19 feet C.