Solve the system of equations by using substitution. n = 3m - 11

2m + 3n = 0

( ? , ? )

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse