10 meters wide with a surface area of 80 square meters. ​

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?