a toy rocket is fired into the air from a point 0 on the top of barn. The distance between the toy rocket and the ground at t seconds after thrown is given by s= -5t^2+10t+20. Find the time when the toy rocket hit the ground​

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2