Albie wants to build a ramp from his porch to a point on the ground 4 feet away from the base of the porch. What is the length, in feet, of the ramp if the porch has a height of 3 feet?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.