How to subtract and add fractions with unlike denominators

Assume that we turn over 10 cards from the top of the shuffled deck and then we count the number of aces that were turned over. Determine whether the process describes a binomial random variable. If it is binomial, give values for n and p.

15. Multiply the following: a. (3x - 2) (2x + 1)

Which of the following would be a good estimate for - 7.94 - 2.31?

Solve: 2x+4y=20 and 2x-y=4

1.) Convert to a percent in simplest form:.156 2.) Convert to a percent in simplest form: 23.05 3.) Convert to a percent in simplest form: 1/11 4.) Convert the percent to a mixed number or fraction in simplest form: 51 2/3% 5.

If you give the man $20 and she got $10.25 back how much was the item

Solve the linear inequality: - (8x-9) / 3+6≥9

What is 19 of 40 in a fraction

The answer to a division problem is less than a divisor

3 8ths as a percent