Simplify the expression:
(c + 4) + -4 =

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense