Do you have three times as many quarters as half-dollars the coins total $13.75. how many total coins does he have

The tile along the edge of a triangular community pool needs to be replaced? ?

What is the circumference of a circle with an area of 50.24 cm²?

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.