2. 4 masks and 1 pack of gloves costs $18. Three packs of gloves and 4
masks costs $22. What is the cost of one pack of gloves and one mask?

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)