The scores received on the first and last quizzes in Biology
class are listed below as ordered pairs. Make a scatter plot of the
data and draw a best-fit line. Write the equation of the best-fit
line.
(8,13), (11, 19), (5,7), (13,23), (9, 15)

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Abcd is a square. what is the measure of angle bac