When you use deduction and start from a given set of rules and conditions

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table