Is 2.8571428571 rational or irrational

Anne is a tailor and decides to evaluate her business to target potential customers with advertisements. She found that for every 12 women's dresses she alters, she alters 54 men's suits. Write this as a ratio in its simplest form.

The probability of event A is x, and the probaility of event B is y. If the two events are independent, which condition must be true? P (A|B) = x P (A|B) = y P (B|A) = x P (B|A) = xy

What is the value for the domain when the range is - 3

23,710 23,751,23,715

Angela wants to purchase carpeting for her living room. The dimensions of her living room are 12 feet by 12 feet. If carpeting is sold by the square yard, determine how many square yards of carpeting she must purchase.

0.884 in standard form

Write a function that represents a parabola that opens upward and has a vertex of (9,11)

A local gaming club has more than 2 but fewer than 20 members. Every member of the group purchased a signed copy of the latest book from the legendary Dumas, for a grand total of $299.

When a number is decreased by 20% of itself, the result is 72. What is the number?

How many strings of 12 decimal digits begin with "248" or consist only of even digits?