What is the approximate percent change in a temperature that went down from 120 degrees to 100 degrees? A. The percent change is approximately 17%.
B. The percent change is approximately 20%.
C. The percent change is approximately 80%.
D. The percent change is approximately 120%.

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

Kate is arranging new furniture in her rectangular sitting room. she has mapped the arrangement on a coordinate pane. a,b and c represent the sofas, v1 and v2 are decorative vases and aq the aquarium. find the distance between v1 and the aquarium. any body you