D is the answer
(4+8)+1 = 13
4+(8+1) = 13
Therefore equation D is true
20%, I believe. The piece of wood lost 2 ounces of moisture after drying, and 2/10 = 20/100
Answer: 4x+10y
you can't simplify 4x+10y
Answer:
The number of ways Tony and Maria can both be selected for the committee is 8 ways.
Step-by-step explanation:
i) Tony and Maria have to be on the committee together or not at all.
ii) Let us consider Tony and Maria as combined as one person.
Therefore now we can say that the number of eligible people for the committee = 9 - 1 = 8.
iii) therefore the number of ways that both Tony and Maria can be selected for the committee are
= 8C1 =
the answer is C.DAB and BCD