A bag has 10 marbles and 4 are black. Joseph picks 2 marbles without replacing the first. What is the probability that both are black?

The number of pieces of popcorn in a large movie theatre popcorn bucket is normally distributed, with a mean of 1515 and a standard deviation of 15.

What is 2 times 3 times 48 times 87

Pedro has 9 coins. His friend John gives him 9 more coins. Pedro decides to share his coins evenly with his two brothers. Which expression shows how many coins each brother will get

A neighbor pays you and two friends $90 to paint a garage you divide the money three ways in the ratio 2:3:5. a. how much does each person receive?

What is the metric unit of the liquid volume of a sink

How do you graph the standard form of a parabola with vertex at (-1, 3) and focus at (-1, 5)

Find the Prime factors of 1729. Arrange the factors in ascending order. Find a relation between consecutive prime factors

What are the soultion (s) to the quadratic equation 40 - x^2=0

True or false perpendicular lines have opposite slopes

Daniel is currently 26 years older than his son. In 6 years he will be 3 times older than his son. How old are both of them?