For every 3 hours that juan spends practicing the violin he practices the cello for 2.5 hours. nina is learning to play the viola and cello. for every 3 hours nina spends practicing the viola she practices the cello for 2 hours. if juan practiced the violin for 9 hours last week and juan and nina practiced the cello for the same amount of time, then nina practiced the viola for last week.

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

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?

Which of the following is another way to express the difference between -5 and 8?