Provide 3 examples showing that an even number is not always the gcf (greatest common factor) of two numbers.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

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.