The perimeter of an equilateral triangle is 21.33 centimeters. What is s, the length of each side of the triangle.

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?