Christina estimates that she will spend $250 on new summer clothes. she actually spent $350. what is the percent error?

An 11-inch string is cut into 3 equal pieces. which expression shows the length of each piece?

In the library there are 4 round tables that can seat a total of 20 students. There are also 2 long tables that can seat a total of 4 less students than the round tables. How many seats in all are available at the school library?

You collect baseball cards and buy sealed packs from the grocery store and clearly have no idea which cards are inside (nor if they will be valuable).

Which expression is equivalent to 2 (x + 7) - 18x + = ?

A student timed his drive to work each day for three days. The times are shown below: 20 minutes 22 minutes 18 minutes What was his mean time?

Which expression is equivalent to - 3 (2m-1) - n

The area of circle B is 144 pi ft². Find the circumference of circle B.

12/18 reduced to the lowest term

We start with triangle ABC and see that angle ZAB is an exterior angle created by the extension of side AC. Angles ZAB and CAB are a linear pair by definition. We know that m∠ZAB + m∠CAB = 180° by the.

Byron has his own bakery. He bakes 84 cakes each week. How many can he make in one day?