If a blindfolded player throws a ball at the game board, what is the probability that the ball will hit a square with an even number?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?