Please help! If sin(0) = 1/3 and 0 is in the 1st quadrant, find cos(0)

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

What is 1.5% of 120 or what number is 1.5% of 120