What's the improper fraction of 3 and 1/3

Simplify the expression 10/11(22z) + (a+5) -1

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.