Answer:-27.15
Step-by-step explanation:........
<span>Begin with 3.11 x 1.5, which equals 4.665. Then add 1.43. The answer is thus 6.095.</span>
4+13= 17
4/13=0.307
4x13=52
4-13=-9
21 hours
73.50 x 3.50 = 21 hours
The point on the unit circle corresponding to -180 degrees is
((x, y) = (-1, 0).
<span>tan(-180°) = y/x = 0/(-1) = 0</span>