To make sure that a given parallelogram is a rectangle, at least how many of its angles must measure 90?

Josie has a rug with an area of 18 square feet. She will put the rug on a floor that is covered in 1/3-square-foot tiles. How many tiles will the rug cover?

What is the vertex of y=-x^2-3x+6

Line JK has an equation of a line y = 4% - 8, and line ML has an equation of a line y = 4x + 4. These two equations represent parallel lines because the slopes of the lines are the same perpendicular lines because the product of the slopes is - 1

Use the discriminant of x^2+4x-32=0 to describe the roots

there are 7 tables in the lunchroom with 8 chairs at each table for the 100th day of school lunch. there are also 103 chairs against the wall. How many chairs are in the lunchroom?

A car seller buy a car from a manufacturer for $10,000. He increases the cost by 5 percent. What is the markup amount?

In one day, Joe consumes 530 calories by drinking 1 serving of juice, 2 servings of milk, and 1 soda. Darius consumes 370 calories by drinking 2 servings of juice and 1 serving of milk.

A train leaves a train station at 1 pm. It travels at speed of 60 mph. Another train leaves the same station an hour later and goes the same direction at a speed of 80 mph. In how many hours will the second train catch up with the first train?

The area of the surface of a pool table is 32 sq ft. The perimeter is 24 feet. What are the dimensions of the pool table. explain how you got the answer

Ethan is conducting an experiment to determine whether a new medication is effective in reducing sneezing. He finds 1,500 volunteers with sneezing issues and divides them into 2 groups.