The students in an eighth-grade class had a dance. They spent $500 for a local band. The equation shown can be used to find the total profit, y, if the students sold x tickets to the dance. y = 4x – 500 What does the 4 represent in the equation? A. the price per ticket B. the cost of the band C. the number of tickets sold D. the profit made from selling x tickets

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

What are the soultion(s) to the quadratic equation 40- x^2=0

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)