A store manager pays $40 for a shirt and adds a markup
Of 20%. During a store sale, the manager marks the cost of
the shirt down by 20%. What is the percent of change
from the original cost, $40, to the sale price?

whose power in the senate is equal to the power of the speaker of the house?

step-by-step explanation:

answer: 800

step-by-step explanation:

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.