This isn't an answer, rather a suggestion. I would use the website desmos to help me. But for future reference I can help you.
f(x) = - x+6 is similar to y=-x+6.
Simply plug in random numbers into the variable x (preferably ones that could fit on your paper like 0,1,2,3...)
Answer:
£1.62
Step-by-step explanation:
add them all up then subtract 100 and forget about the negative sign
For number 13 x=70 and y=115 hope this helped
875 × .64= 560
answer: 560 employees eat lunch at the cafeteria on Wednesday.
