Find volumetric flow rate

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

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.