Using the formula v=4/3 pie r Squared by 3 what is the volume of a ball with a radius of 3 units

What percent of 18 is 24? and plz explain thx.

(x-5)1/2+5=2 what is possible solution of this equation

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.!