Jeff volunteers his time by working at an animal shelter. each year he works for a total of 240 hours. so far this year, he has worked 97 hours. which equation will solve for how many more hours (h) jeff will volunteer for?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?

Ben frank is an electrician who installs lighting fixtures. he charges (in dollars) his clients 15h+40f15h+40f where hh is the number of hours worked and ff is the number of fixtures installed. how much does ben frank charge when he works 77 hours and installs 99 fixtures?