cot x = cos x / sin x
cot x = .85 / .52 = 1.6346
Answer:

Step-by-step explanation:





The answer would be h+(h+2.5)=22
The h represents Williams hours and the h+22 represents jose's hours. Together, they add to 22 hours :)
Hope this helps!
Square Perimetre = Side x 4
So a length of a square ground is 160/4 = 40 (m)