Subtraction and division are from the principal operations of PEMDAS. PEMDAS stands for parentheses, exponents, multiply and divide, add and subtract and thats it! Hope this helps and remember to mark as brainliest!
Answer:
Step-by-step explanation:
f(-x) is a reflection of f(x) in the y-axis
He can mow 12 lawns in 4 hours.
to get the answer you just multiply the amounts of lawns he mowed by the hours it’s asking.