Answer:
88.796
Step-by-step explanation:
you multiply them...
4, 10, 4, 10. 10*4 gives area of 40. 10+10+4+4 gives 48 as shown in question
Answer: 5 pounds of ground beef ( don't see second :-( )
Step-by-step explanation: I found the unit rate per pound ( 2.25 ) and then multiplied that by the other pounds to compare the two prices and I only found 5 pounds to be incorrect, but I'll keep digging, hope this helps!

; where a = 1, b = -4 and c = 8
No Maria is wrong because if you look at placement value you would see 4 is in the one hundred thousands place.