Answer:
c 45,8 miles per hour
Step-by-step explanation:

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Answer:
Step-by-step explanation:
Each probability can be written as y/4, since there are four different possible outcomes. Also, it's worth noting that if you add the three up they will equal 4/4 or 1.
Put super simply, of HH, HT, TH, TT how many have zero Hs, how many have 1 H and how many have 2 Hs? These are the answers to a, b and x respectively.
Volume of a prism =BH
(length ×width)×height
(10×20)×60
=12000cm3