What is the total surface area of the cone with a height of 12 and radius of 5

In two fractions have the same denominator but different numerators,which fraction is greater? give an example

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?