A ball is thrown straight up from the top of a tower that is 280 ft high with an initial velocity of 48 ft/s. The height of the object can be modeled by the equation s ( t ) = -16 t2 + 48 t + 280. In two or more complete sentences explain how to determine the time(s) the ball is lower than the building in interval notation.

Students buying lunch at rockwell elementary school yesterday chose either burritos or pizza. 185 students chose burritos and 252 chose pizza. 1. estimate the number of students who brought lunch by rounding each number to the nearest hundred. 2. estimate how many students bought lunch by rounding each number to the nearest ten. 3. find the total number of students who brought lunch. which of your estimates is closer to the actual total? explain. 4. draw a figure on a sheet of paper. estimate how many pennies will fit inside the figure. check your prediction using pennies.

How do i solve uniform motion problems?

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i