What’s the perimeter of l=8 inches and w=4.5 inches

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?