No the answer is not always postive. For example. If you had -50 and subtracted -30 you would have -20.
You need to determine what is happening in the situation maybe? If the number is increasing then it would be + or x and if they were decreasing it would be / or -
Answer:
check book
Step-by-step explanation:
ok apply formula only
Depends on how rich you are
if you are very rich, use meters (or yards)
if you are kinda rich, use feet
if you are average, use centimeters (or inches)
if poor, use milimeters
