Find the exact value of the expressions cos (a + b), sin (a + B) and tan (a + b) under the following conditions: 15
cos(a)= 17
a lies in quadrant IV, and sin () =
- 2
5
Blies in quadrant III.

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .