Answer:
A. 39°
Step-by-step explanation:
Complementary angles total 90°. The angle of interest is ...
90° -51° = 39°
cot(-11pi/6)=cot(-pi-5pi/6)= -cot(5pi/6)=cot(pi/6)=≈1.73
1300/100 X 105 = 1365
1365/4 = 341.25 per week
341.25/40= 8.53125
$8.53
a
this should be the graph.
I hope this helps.