There are 18 boys in a class of 39 pupils. How many boys should be in a sample of 15 from the class?

A survey of teenagers found the music preferences listed. If you pick a teenager at random, what is P (rock) ? Country : 12 Jazz : 5 Rock : 7 Classical : 6 New Age : 6 Other : 4 A. 33/40 B. 1/7 C. 7/40 D. 1

The product of 200 and k is 157

The Water Department checks the city water supply on a regular basis for contaminants such as trihalomethanes (THMs).

A bag contains red, yellow and green sweets. 2/5 of the sweets are red and 1/4 of the sweets are yellow. What fraction of the sweets are green?

Solve 3 (3 - 3x) + 4 = - 5.

What's the relationship between 0.04 and 0.004?

The length of a rectangular garden is 7 meters longer than its width. if its perimeter is (12 x + 14) meters, find its length in terms of x.

Job A pays $10.95 per hour, 40 hours per week. Job B pays $18,500 per y. Which job pays better? A) Job A B) They pay the same. C) Job B

4x-6+2y=10 Write the equation in slope intercept form.

Solve for y: 10y-50=-20