Abag contains three red marbles, two green ones, one lavender one, three yellows, and one orange marble. how many sets of five marbles include at least two red ones?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

If there are 3.281 feet in 1 meter, how many inches are in one centimeter