He is at -18 feet because you do -28 - 5 which equals -33 after that you do -33 + 15
Answer: 30,636.
How I got my answer: First, I multiplied 666 x 46 then I got 30,636. If you need any help use a calculator.
31. +
34. -
To figure out more, just solve the known problem, and then go over what the answer would be to the unknown one until you find the answer that makes it true.
Answer:

Step-by-step explanation:
Our equation is

now we distribute the - and we get


and now we have 
If I’m not wrong I think it’s x+1