If the cost price of an article is less than selling price true or false​

What is the solution to the equation 9^(x+1) =27

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)