Mr. DeVizia is trying to determine how long packages of cookies stay fresh on store shelves, and the extent to which the type of packaging and the store’s temperature influence how long the packages of cookies stay fresh. He designs a completely randomized experiment involving low (64 ºF) and high (75 ºF) temperatures and two types of packaging—plastic and waxed cardboard. What are the experimental units in this experiment.

Which two transformations are applied to pentagon abcde to create a'b'c'd'e'? (4 points) translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the x-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the y-axis translated according to the rule (x, y) ? (x + 8, y + 2) and reflected across the y-axis translated according to the rule (x, y) ? (x + 2, y + 8) and reflected across the x-axis

Which number line correctly shows 0.8 + 0.3?

What is the answer to the question 5x+2x