9. 0
andy participated in a neighbor's garage sale. He sold 3 items: a picture frame for $8.50, a teapot for $3.75, and a set of 6 cups for $4.75. Andy paid the neighbor 10% of his
arnings for allowing him to participate in the sale. What were Andy's earnings after he paid the neighbor the 10%?

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a