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?

For which number does the 9 have the least value? 9.001 or 7.079 or 0.9 or 0.29

Julie has two formal events to go to. She has six formal dresses--two blue ones, one black, one red, and two white.

This figure is made up of four congruent right triangles and a square

Evaluate the expression when y = 2. 4 + y + 7 a. 13 b. 15 c. 18 d. 22

Grain silo is constructed in the shape of an inverted cone atop a cylinder as shown below. 10 ft 20 ft 18 ft Nhat is the volume of this grain silo? A. 1,890 cubic feet B. O 7,560 cubic feet CO 1,350 cubic feet

A manager has 2500 kg of sand delivered to a construction site everyday. About how many tons of sand does he have delivered to the site after 4 weeks? 1 ton = 907.2 kg

Convert 375% into decimal form

The factor tree for 60 has all of the factors in the factor trees for 15 and 30, but not 45. explain why this is true

What percent of 250 tired is 12 tires?

You want to purchase a house in 5 years. You estimate its cost as $150,000 and you want to make a 20% down payment. How much do you need to save each month