Sandy is selling nine gumballs for eight cents each. her sister has seven gumballs. how much money can sandy get from selling the gumballs

Find the maximum value of p= 4x + 5y subject to the following constraints :

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

What rotation was applied to triangle def to create d’e’f’?