Answer:
you are right it's D
Step-by-step explanation:
you are adding 5.7 to the original width (w) and then multiple you l and w after adding it to get your answer 77.9
Im not sure why you said ur wrong b/c i got the same answer
f(x) = -15+ 7
f(x) = -8
70% I divided 28/40 and you get 70% after multiplying by 100
If it is =x then the line will be vertical
