Answer:
The answer is B. n+3=7
Step-by-step explanation:
^^^^^^^
Use pythagorians theorem a^2 + b^2 = c^2. 4^+20^ = 20.40 feet. The ladder is 20.40 feet long.
Step-by-step explanation:
Answer attached :)
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Answer:
d. 14:11
Step-by-step explanation:
There is a 7 in 10 chance that Mike does his homework today and a 8 in 10 chance he will do it tomorrow, the probability that he will do it both today and tomorrow is:

The odds are the probability that an event occurs over the probability that it does not occur:

The odds that he will do it both today and tomorrow are 14:11.