A ball is thrown from the top row of seats in a stadium. The function h(t) = −16t2 + 128t + 50 gives the height, h, in feet, of the ball t seconds after it is thrown. How long will it be before the ball hits the ground? Round your answer to the nearest whole number.

Mercury poisoning is dangerous overload of mercury within the body. a major source of mercury within the body, a major source of mercury poisoning is consuming fish that contain mercury. certain fish are more prone to having higher levels of mercury than others. the pie chart shows the distribution of four breeds of fish at a hatchery. the hatchery has approximately 6,000 fish. a biologist from the centers for disease control and prevention randomly test 5% of each breed of fish for mercury content. her findings are shown in the following table. based on the biologist's findings, if a single salmon is randomly selected from those that were tested, what is the probability that this particular fish would have a dangerous mercury level? a) 0.001 b) 0.004 c) 0.02 d) 0.08

If 20% of a number is 35, what is 50% of that number?

Select the quadratic that has root x = 8 and x = -5