One side of a rectangle is 8 units. another side is 5 units.

what is the perimeter of the rectangle?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.