Evaluate the expression if a = 8.2, b = -3, c = 4, and d = -1/2.
ac - bd

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

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