A town launches fireworks from the top of city hall to celebrate the Fourth of July. The height h(t) of the fire-works (in meters above the ground) can be calculated using the function h(t) = -4.9t 2+ 140t + 15, where t is the time in seconds. 4. What is the maximum height that the fireworks will reach?

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.