If 2tanx/1-tan^2x=1, then x can equal

The area of a square window is 81 in.² how long is each side of the window

John added 2 7/12 and 5 2/3 and got 7 1/4. Is John's answer reasonable

The Kwans are saving for their daughter's college education. If they deposit $12,000 in an account bearing 6.4% interest compounded continuously, how much will be in the account when Ann goes to college in 12 years?

Write each ratio as a fraction in simplest from

Which property would you use to solve y + 12 = - 8? a. Subtraction Property of Equality c. Distributive Property b. Addition Property of Equality d. Identity Property of Addition

Jade and jason play a game which each player is equally likely to win the first player win 3games becomes the champion and no future games are played if jason had won The first game what is the probability that jason becomes the champion

What is 257,650 rounded to the nearest ten

What is the radius of a circle whose equation is x2 y2 - 10x 6y 18 = 0?

Y=x+4 and y-4=x. Is there no solution one solution or infinitely many

How do you recognize a central angle of a circle