In a second grade class containing 13 girls and 10 boys, 2 students are selected at random to give out the math papers. what is the probability that the second student chosen is a boy, given that the first one was a girl?

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!