If Tyler’s height is 57 inches. what could be his height in centimeters

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

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

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1