A bag contains blue marbles and red marbles, 31 in total. The number of blue marbles is 9 less than 3 times the number of red marbles. How many blue marbles are there?

Simplify. 2^3 + 4⋅8 A. 40 B. 80 C. 96 D. 160

A box contains different-colored marbles. If P (blue) =, P (green) =, and P (blue and green) =, which statement is true? The events are independent because P (blue) P (green) = P (blue and green).

A jar contains jelly beans that are red, yellow, blue, and purple. Several people reach in and grab handfuls of jelly beans, then collectively tally the number of each color: 15 red, 20 yellow, 12 blue, and 8 purple.

What is the fractional portion of 15%

What's the GCF of 42 and 154

In geometry, the kissing number of a mathematical space is defined as the greatest number of non-overlapping unit spheres that can be arranged in that space such that they each touch a common unit sphere.

leg a of a right triangle is 12 inches long and the hypotenuse c is 13 inches long how long is the other leg b

A rhombus can never be a square

You want to install wall-to-wall carpeting in your room. The room is 10 feet by 14 feet. What is the actual cost for carpeting if the carpeting costs $18.89 per square yard?

Jade said that the amount of money Ebony took out of her account each day between Day 8 and Day 12 was the same amount of money she put into her account each day between Day 0 and Day 4. Recall that Day 12 is when the balance first reached $0.