What are prime numbers? can you give an example?

Find an exact value: cos (pi/12)

Solve the equation. -3 х + 1 + 10x = X + 4. x = 1/2, x = 5/6, x = 12, x = 18

Find the factored form of - 7y-y^2=0

16 students in the drama club want to attend a play. The ticket price is $35 for each student, and the transportation and meals for everyone will cost $960.

Jenny leaves Guildford at 6am and rides 40 miles to Littlehampton, stopping every 10 miles for 10 minutes. She rides at 15 mph between stops. Her friend Rachel rides the same route nonstop at constant speed leaving at 7am.

Ecessary. Bamples 3. What number is 15% of 60?

Let f (x) = 9x - 2 and g (x) = - x + 3. Find f (g (x)).

3x+2y+2x when x = 20 and y=-3

A 4-pound bag of sugar contains 454 one-teaspoon servings and costs $3.49. A batch of muffins uses 1/4 cup of sugar. How many batches can you make if you use all the sugar? What is the cost of sugar for each batch? (1 cup = 48 teaspoons)

Tom had $84.50 and then spent $12.25 for a music CD, $17.85 for a gift, and CV$15.45 for gasoline. How much did he have left?