Solve each system of equations by substitution. Clearly identify your solution. y=3x+19
y=5x+33

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Which table represents points on the graph of h(x) = 3√-x+2?

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.