these are the last 2 questions on my test and i have no idea to answer them. PLEASE HELP ME ASAP!!! the test is worth 50 points.

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Which of the following shows the length of the third side, in inches, of the triangle below