The sum of two numbers is 25. the difference of two numbers is 3. find the numbers

The number of electoral votes each state is assigned is determined by the size of its population every ten years. the chart shows the number of electoral votes california was assigned each decade of the past century. what is the 3rd quartile of the data?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Find the distance between the point (-3,-4), and (see the picture below)