The player hits the ball up in the air with an upward velocity of 18 ft/sec. The equation that gives the height of the ball at any time ’t’ is h(t) = -8t^2 + 18t + 5. How long did it take for the ball to hit the ground? ^2 being squared for those who dont know.

Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.