What are the square roots of 64/144 ?
a. -32/72 and 32/72
b. -4/12 and 4/12
c. -4/9 and 4/9
d. -8/12 and 8/12

4/9

Step-by-step explanation:

because 8*8/12*12=64/144 which gives remainder=4/9

whatare you sayig

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.