The area of a library table top is 27 1/8 square feet the table is 3 1/2 feet wide what is the length of the table

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon

Solve for x. x/5+ 1 = 7 x = 5 5/6 x = 30 x = 35 x = 40