The art teacher has 48 paintbrushes. she puts 8 paintbrushes on each table in her classroom. how many tables are in her classroom

In the rectangle below ac=30 units what is de

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet