Ben and Jerry’s sells 4 times more ice cream cones ($4) than shakes ($7). If last month’s sales totaled $9,200, how many of each were sold?

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.