Four is no less than the quotient of a number x and 2.1.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Jack brought 12 pet monkeys. if each monkey cost $45.99, how much money did he spend in all?

What is the the area of this triangle expressed as a monomial?