Rectangle QQQ has an area of 222 square units. Thea drew a scaled version of Rectangle QQQ and labeled it Rectangle RRR.

What scale factor did Thea use to go from Rectangle QQQ to Rectangle RRR?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

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

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same