Verify identity cot^2x + csc^2x = 2csc^2x - 1

There are two coins in a box. one coin is fair, the other has heads on both sides. you draw one coin at random, toss it, and it lands up heads. what is the probability that you drew the two-headed coin

Krysti is ordering t-shirts for 20 classmates. she knows that 75 % of the classmates want the small small size. in her her order, krysti mistakenly asked for 25 small shirts.

A standard city block in Manhattan is a rectangle measuring 80 m by 270 m. A resident wants to get from one corner of a block to the opposite corner of a block that contains a park.

M + 12 = 10 solve equation

Jean bought a bag of candy that contained red candies, green candies, and brown candies. Some candies are marked with a smile and others are not marked. The probabilities are displayed in the table below: | Red |Green |Brown Smile |0.100 |.300 |.

Assume that a student's alarm clock has a 11.2 % daily failure rate. What is the probability that the student's alarm clock will not work on the morning of an important final exam?

Whats the area of a 7in by 5in triangle

What is the answer to this equation 2/7*3

Is 0.1292387523 a rational number

A recipe uses 3 cups of flour and 2 cups of sugar right the ratio of cups of flour to cups of sugar as a fraction