If tana=2/3 and sinb =5/√41 and angles a and b are in quadrant i, find the value of tan (a+b) showing all steps

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?