D represents remaining distance (in meters) after t seconds D=-38t+220

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).