Evaluate the expression. -{-16.9 + 10} plz

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

Libby built a fence that was 56 \text { feet}56 feet long over 44 days. she built the same length of fence each day. how many inches of fence did libby build each day?

If f(x)=x^2- 4 and g(x)=x^2 plus 2 x, (c) (f-/3) = ? (simplify your answer.)