The ratios of the number of red marbles to the number of green marbles in a bag is 2:3. The ratio of the number of green marbles to the number of blue marbles is 9:4. There are 76 marbles in the bag. Find the number of red marbles in the bag?

Which measurement is the best estimate for the height of a school bus?

If each square in the grid has a side lengt of 8mm, what is the-width and height of the rectangle

A 10 meter ladder rest against a vertical wall so that the distance between the foot of the ladder and the wall is 2 meter.

Positive integers a, b, c, d and e are such that a < b < c < d < e. If the average (arithmetic mean) of the five numbers is 6 and d - b = 3, then what is the greatest possible range of the five numbers?

9+10= what does it equal everyone been say it equal 21 I know what it equals just want to see what about others

A pet store has 10 puppies, including 3 poodles, 4 terriers, and 3 retrievers. if rebecka and aaron, in that order, each select one puppy at random with replacement (they may both select the same one), find the probability that they both select a

Luisa has 8 chapters of a book left to read. If she reads 2/3 of a chapter a day, how many days will it take her to finish the book?

If a room needs 7 rolls of wire, how much will 7/10 of 1 roll do

What is the difference between 25 4/9 and 12 / 16

How to solve 1.3 (2) + p = 7.9