20) Madison worked m hours earning $10 per hour and n hours earning $12 per hour. The total amount she earned was at least $300. Which inequality models this situation?
A 12m + 10n <_300
12m + 10n >_300
C 10m + 12n < 300
D 10m + 12n 2 300
please help

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)