Plot the foci of the hyperbola represented by the equation
Y^2/1600-x^2/5625

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Jasmine wants to eat at 8: 00pm her meal takes 65mins to cook what time does she need to put the meal in the oven

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota