Is also sort of math but how do you do celsius since i can't figure out how to do it since i'm american so i've never learned it in my school

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

Recall that two angles are complementary if the sum of their measures is? 90°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4πr2. write your answer in scientific notation.