The future parents are wondering how many boys they might get if they have three children.
Give a probability model (sample space and probabilities of outcomes) for the number of boys.
What is the sample space?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

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