A photographer has matted and framed 15 photographs and needs to select 10 for a gallery show. How many ways can he select 10 photographs for the show?

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

Name the most appropriate metric unit for each measurement

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.