On March 5, the Smith family received 19 pieces of mail, consisting of ads, magazines, letters, and bills. If they received five more bills than magazines, three more magazines than letters, and the same number of ads as letters, how many ads did they receive?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)