You have a jar with 10 marbles in it. There are 4 pink, 2 green, 1 blue, and 3 purple. You pull out one marble, do not replace it in the jar, and then pull out the second marble. What is the probability you get pink and then pink again?

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.