If there were 4 pieces eaten, and 3/7 left, then there must have been 7 pices altogether and 3 are left.
Answer:
523.3
Step-by-step explanation:

Please give me brainliest
Answer:
$38.84
Step-by-step explanation:
8.6% of $42.50
42.50 × 8.6/100 = 3.655 or 3.66
before tax
$42.50 - $3.66 = $38.84
Answer:
3.14
Step-by-step explanation:
pir^2
3.14 x 1^2
3.14