Evaluate this expression.

3-2

lao

There are 20 pens in a package. Ten of the pens are black, 8 are blue, and the rest are red. Which ratio represents the number of red pens to black pens? A. 1/10 B. 1/5 C. 4/5 D. 5/1

Is 15/4 an irrational number?

What is the axis of symmetry? f (x) = 2x^{2} - 2x+6[/tex]

the number of hot peppers in a salad is based on the number of servings as as shown in the table servings 2,4,8,12 hot peppers 4,8,?,24

What is the greatest common factor of 30 and 18

A sample of 49 observations is taken from a normal population that has a standard deviation of 10. the sample mean is 55. determine the 99% confidence interval for the population mean. (round your answers to 2 decimal places.)

You and your friend are sharing 3/8 of candy. How much of the bag will each of you get if you share evenly?

The sequence follows a minus 3 pattern: 12, 9, 6, 3, ... (Write a formula for the nth term of the sequence, be sure to specify what value of n your formula starts with.)

Contessa is solving an absolute value inequality. She writes the compound inequality - 7<8-3q<7 as her first step. Which inequality is Contessa solving?

Use the distributive property to find two expressions that are equivalent to 7 (3x-4)