Aplayground is shaped like a square. each side is 78 ft long how many times did sally run around the play ground if the play ground is 4992fl? worth 15 points

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

Measure of angles 31 (x+4) (3x+9) me

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a