The expression 4•3t gives the number of ducks living in anoops pond t years after he built it . What does 4 represent in this expression?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

In trapezoid bath, ah=19.7 and et=16.1. identify be.

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?