<span>Theorem:
A tangent to a circle forms a right angle with the circle's radius, at the point of contact of the tangent.</span>
Answer:
I think the answer should be D) 23 km but if its wrong my bad
Step-by-step explanation:
Answer:
this is to hard and I like math
A can do 1 job in 10 min. means 1/10 job per min.
B can do 1/15 job per min.
together A&B can do 1/10+1/15 =1/6 job per min.
1/6 job they spend 1 min
1 spend 1x1/(1/6) = 6 min