there are 12 boys and 16 girls Marco's class (including Marco). what is the probability that a chosen at random from Marco's class will be a boy?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total