united states consumers put $51 billion in fast food charges on their credit and debit cards in2006, up from $33.2 billion in 2005. Based on this model of the billions of fast food charges, F(t)=33 ...
what is 2/5 of 8.75? how to calculate the problem?
Should I assist my kids in doing homework or should I let them ask me for help when they feel they need it?