Carlos has 42 coins that total $5.10. all of his coins are nickles, n and quaterers, q. which system of equations models this equation

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.