What is the mean of data set 3 3 3 4 4 5 5 6 7

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?

Mariano delivers newspaper. he always puts 3/4 of his weekly earnings in his savings account and then divides the rest equally into 3 piggy banks for spending at the snack shop, the arcade and the subway