Show that the equation x cubed + 8x = 30 has a solution between x = 2.2 and x =2.3 ?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Yolanda wanted to buy a total of 6 pounds of mixed nuts and dried fruit for a party she paid 21.60 for mixed nuts and 11.90 for dried fruit did yolanda but enough mixed nuts and dried fruit for the party

Jennifer is 20 miles north of her house, and she is driving north on the highway at a rate of 55 miles per hour whats the slpoe