Solve the system by substitution 5x+3y=8 3x+y=8

During a sale at the bookstore, books sold for $3 and magazines sold for $2.50. Jan spent $16 and bought a total of 6 books and magazines. How many of each did she buy

If 2 c + 1 = 11, what is the value of 2 c?

If x equals 7, then find the matching value for y. -2x-2y=-2

Which three dimensional figure has double the number of edges than faces

What is 0 divided by negative 15

What does 26-2n=12? Show Your Work.

Use the quadratic formula to find the roots of the equation. round to tenths place if necessary. 11x2 - x - 3 = 0

What is the total number of minutes if there are 3 classes and each last 50 minutes?

What is 2.18 as a improper fraction

In a class of 147 students, 95 are taking math, 73 are taking science, and 52 are taking both math and science. if one student is picked at random, what is the probability of choosing a student who is not taking math or science?