The sum of the digits of a certain two-digit number is 10. Reversing its digits increases the number by 18. What is the number?

Normal yağmur ile asit yağmuru arasındaki fark nedir

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).