David has a collection of computer games. Last year, he had 400 CDs in his collection and this year he has 120% as many CDs as he had last year. What is the size of his CD collection this year?

The volume of a fish tank is 30 ft.³ if the Density is 0.3 how many fishes are in the tank

If susie is fourteen, what was her age x years ago?

A submarine is diving at a rate of 84 feet per minute. If the submarine begins diving from the surface of the water, what would be the submarine depth after 7 minuets?

Tan 56 degree=24/x. Find the value of x to the nearest tenth

Given g (x) = - 2x+2 and f (x) = 3x^2+4, find (g+f) (-3)

At a tailor shop, it costs $6.79 to shorten a pair of pants and $9.25 to take in a dress. Lisa brought in 3 pairs of pants to be shortened and 1 dress to be taken in. How much will she pay for the tailoring? A $16.04 B $20.37 C $27.16 D $29.62

A group of children share 11 3/7 vegetarian pizza's. each child receives 10/14 of pizza. how many children are in the group?

A stadium seats 107,282 people. Another one seats 71,706 people. How many more does the 1st stadium seat than the 2nd one?

A store sold 6 fruit trees five of the trees were apple trees what fraction of the trees were Apple trees?

5. A MP8 Mack Semi Truck Diesel Engine has the volume of 780 cubic inches Part A: Which scale model n has the greatest engine volume, a 1:8 scale model or a 1/24 scale model Part B: How much greater volume does the bigger scale model have?