Please help// geometry question. geometry question pt.2

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

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.