The speed of nitrogen molecules in the atmosphere (at 20ºC) follows a normal distribution with a mean speed of 500 meters/second and a standard deviation of 50 meters/second. Which conclusion does this information best support?

What is the value of the discriminant of f? F (x) = 3x^2 + 12x + 5

Three less than seven times a number.

3. Lengths of = ft are cut from a board of length 12 ft. What length of board remains? 3

Solve the system is equations and choose the correct answer from the list of options. d+e=15 -d+e=-5 Label the ordered pairs as (d, e).

Which data set COULD NOT be represented by the box plot shown? A) {13, 5, 8, 8, 6, 10, 15, 12, 4, 13, 11} B) {2, 10, 13, 7, 9, 5, 15, 12, 7, 13, 11} C) {15, 13, 6, 7, 10, 8, 11, 13, 13, 6, 4} D) {4, 13, 6, 7, 15, 12, 11, 10, 5, 13, 9}

Danny's 7 friends contributed an equal amount of money to buy him a birthday present. The present cost $84. How much money did each friend contribute?

How much will a saver earn in 10 years on a $100 deposit that earns 5% compound interest (compound annually) ?

Distributive property: Example: 6 (2x - 3) = 12x - 18 "Combine like terms" means 3x + 4x = 7x. But we cannot add 3x + 4. Simplify, don't solve for x, just simplify, write it with only one x and no parenthesis: 2 (4x - 1) + 3x =

What is a number greater than 40 whose prime factorization contains 3 prie numbers that do not repeat

What is the constant rate of change of y=7-13x