Today the total of 80 people bought something from the deli 50%of people bought something $2 or less and 30% of the people bought items that are $5 or more how many people bought items that were 3 or 4 dollars

Use the matrix-column representation of the product to write each column of ab as a linear combination of the columns of a.

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2