The formula d= rt gives the distance traveled in time t at rate r. if a bicyclist rides for 2.3 hours and travels 41 miles, what was her average speed?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!