Describe in words the region x^2+y^2+z^2 > 2z

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.