(graph photo attached) urgent math which is the best estimate for the value of r in the scatter plot? answer options: a) -1 b) -0.9 c)0.2 d) 1

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

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)