Add the two expressions. 7.4w - 5 and -3.7w + 3

Anthony is making a collage for his art class my picking shapes randomly. he has five squares, two triangles, two ovals, and four circles. find p( circle is chosen first)

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer