There are 10 cards. they are numbered: 9, 10, 11, 12, 13, 14, 15, 16, 17, 18. one card is randomly picked.

what is p(prime number)?

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.!

For the feasibility region shown below find the maximum value of the function p=3x+2y

The volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of its original volume