Answer:
2
Step-by-step explanation:
Step 1: Write out the formula

Step 2: Write out the given values and substitute them into the formula

Therefore,

Hence, the area in terms of pi is

The last choice is the correct answer
8 ft= ___ inches
1 ft= 12 inches
8 ft= 12 x 8 inches
8 ft=96 inches
She has 96 inches, but she needs 100 inches. So she needs 4 more inches of lumber.
60 because 2:4 is 1/2, and when you divide by a fraction, you multiply by the reciprocal (2/1 instead of 1/2) which would be 60 in this case.