Answer *The expressions are not equivalent because Ella would get different results when substituting different numbers for f.
(But I'm not sure.
Answer:
They left the beach at 2:20pm
Step-by-step explanation:
if they got there at 11:50am and spent 1hr and 20min swimming that would have put them at 1:20pm you then add the 30min they played volleyball which would put you at 1:50pm you then add the 35min they built sand castles for which would put you at 2:20pm. so they left the beach at 2:20pm
No. If line WX would have been a tangent, the angle VWX should have been 90 degrees. If it would have been 90 degrees, using the pythagoras theorem, side VX should have been 5. But it's not 5, neither angle VWX is 90 degrees nor is the line WX a tangent to the circle