These marbles are placed in a bag and two of them are randomly drawn.
What is the probability of drawing two blue
marbles if the first marble is placed back in
the bag before the second draw?
Give your answer as a rational number, reduced to
simplest terms.

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40

Anew obstacle course is home to several new types of challenging obstacles. one such obstacle is traversing a 15-stair staircase. to make it more challenging, the stairs are not uniformly spaced. rather, the vertical space between consecutive stairs for the first 10 stairs is 113 feet and the vertical space for the last 5 stairs is 134 feet. what is the total vertical distance traveled ascending and descending the entire 15-stair staircase?

Find the least common factor denominator for these two rational 7/x^2 and 7/5x