What is the value of the expression 1/7 divided by 5 ?

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

I'm confused on this could anyone me and show me what i need to do to solve it.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?