For a hot air balloon to take off, the temperature of the air outside the balloon must be at least 15°F cooler than the temperature of the air inside of the balloon. In interval form, what is the temperature inside the balloon if it is 70°F outside?
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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