The accompanying frequency polygon represents the number of a country's residents below 100 years of age. What is the class width? How many classes are represented in the graph

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

How many terms does the polynomial x^2 y^2 have

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.