A ball is thrown vertically in the air with a velocity of 100ft/s. Use the projectile formula h=−16t2 v0t to determine at what time(s), in seconds, the ball is at a height of 150ft. Round your answer(s) to the nearest tenth of a second.

Onstruct the grouped frequency table for the following data. 1, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9

What is the binomial name of the horsefly species that's golden backside inspired a 24-year old researcher to name it after a pop star in january 2012?

Case # 51173878 weighs 814 pounds; case # 51173981 weighs 803 pounds; case # 51174058 weighs 817 pounds; case 51174178 weighs 815 pounds; case # 51174248 weighs 817 pounds; case # 51174495 weighs 781 pounds; case # 51174577 weighs 828 pounds. what are the case #'s of the two cases that weigh the same amount?