6) In a survey of 39 students, it was found that 18 can ride a bicycle 15 can drive a car a X can ride a bicycle and drive a car 3x can do neither​

Asphere has a diameter of 10 in. what is the volume of the sphere?

If 3x+8=3x+8 is it one solution or no solution

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?