What is the value of x?

Write the function for the graph. (1.8) (0,4)

What number is 7 units left of -15?

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.