How many different arrangements of 55 letters can be formed if the first letter must be w or k (repeats of letters are allowed) ?

A bag contains 4 red marbles and 6 blue marbles. Brandon selects one marble from the bag. Without replacing the marble he then selects a second marble. What is the probability that he first selects a blue marble and then selects a red marble?

Find the solutions to the equation below check all that apply x^2-4=0

What is the opposite of real number

Misha practices the guitar for 3 hours every day. A 2-column table with 6 rows. Column 1 is labeled Days with entries 1, 2, 3, 4, 5, 6. Column 2 is labeled hours with entries 3, 6, 9, 12, 15, 18.

The difference of 3 times a number and 15 is no less than the square of the number. Select the inequality that represents this relationship.

The cost y for a company to produce x T shirts is given by the equation y=15x+1500

Derivative of F (t) = e8t sin 2t

If Ivan has 2/3 hours in his MP3. Is there is more than or less than 60 minutes of jazz on Ivan MP3 player? Explain how you know

Jamal 5/6 of his homework. Margaret finished 3/4 of her homework and Steve finish 10/12 of his homework. Which students finish the same amount of homework?

How do you write the slope intercept form