5+4×2+6_2×2_1 Insert parentheses in Expression 2 so that it has a value of 19 . Then show why your expression has a value 19.

Use the graph to determine the range. which notations accurately represent the range? check all that apply. (–∞, 2) u (2, ∞) (–∞, –2) u (–2, ∞) {y|y ∈ r, y ≠ –2} {y|y ∈ r, y ≠ 2} y < 2 or y > 2 y < –2 or y > –2

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Which choice represents the sample space ,s for this event