Okay so John needs to buy 7.6 quarts of paint so he would spend 26.55 on paint.
Hope this helps:)
It is an acute triangle since all the sides are less than 90 degrees (it's also equilateral)
Looks like the graph is decreasing to me
(f + g)(x) = f(x) + g(x) therefore (f + g)(4) = f(4) + g(4)
