Capital of Idaho is boise this is not a math question
A solid line, because each lunch cost the same, and the price does not differ from lunch to lunch. So, 100 - 4 = 96 | 96 - 4 = 92, etc.
Not all functions have inverse functions. Those that do are called invertible. For a function f: X → Y to have an inverse, it must have the property that for every y in Y, there is exactly one x in X such that f(x) = y.
24 / 0.05 = 480 nickels <====
You have to measure the lines with a ruler.