My friend is telling me that "6 2" is 12 but the space doesnt represent a mutiply. Is he right or is he wrong?

Your friend is wrong.

Step-by-step explanation:

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.

answer is (b.

164 ft2)

a base  

18

b base  

7

h height  

8