Two angles are complementary . the first angle measures 35 percent . what's the measurement of the second angle ?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.