Answer:
i think it's -1 / -1
nut i'm not sure so if its wrong then sorry , and don't thank's me...
Answer: use order of operstions
Step-by-step explanation:
1=7 3=21 5=35 7=49 13=91 hope this helps :)
I think it is 640.. What they mean is every inch equals 4 feet so you would multiply 8*4 and 5*4 then you get 32 and 20.. im sure you know area but just incase its base times height so 32*20=640