Which equation represents a circle? a. `(x – 2)^2/(2^2) + (y – 3)^2/(3^2) = 1` b. `(x – 4)^2/(3^2) + (y + k)^2/(1^2) = 1` c. `(x^2)/(2^2) + (y^2)/(2^2) = 1` d. `(x^2)/(1^2) + (y^2)/(3^2) = 1`?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Find the arc length of the semicircle. 7the grade

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0