A bag contains green marbles and blue marbles, 56 in total. The number of green marbles is 4 less than 2 times the number of blue marbles. How many green marbles are there?

Jess bought 3 pairs of Jeans for $71.40. How much would he need to pay for 8 pairs of jeans?

Simplify 6 (2x+3y) + 3 (x-y)

John has 630 baseball cards. He sorts the cards into stacks of 30 cards. How many stacks can he make.

An artist is making a scale model of a statue she has been commissioned to create. The model is 2 feet tall. The actual statue will be 15 feet tall. What is the scale of the model to the actual statue?

Estimation of 375 + 147

Researchers recorded that a group of bacteria grew from 30 to 900 in 18 hours. At this rate of growth, how many bacteria will there be in 36 hours from the start of the experiment? Round to the nearest whole number.

In a first-order decomposition reaction. 52.3% of a compound decomposes in 8.6 min. How long (in min) does it take for 80.3% of the compound to decompose? Enter to 2 decimal places.

Line MO bisects angle LMN, m angle LMN = 5x - 28, m angle LMO = x + 31. Find m angle NMO.

Write a decimal that is greater than 3.4 but less than 3.5

Ramon caught twice as many fish as his brother. If his brother caught F amount of fish, write an expression that shows how many fish Ramon caught