Thomas has earned $800 and earns $20 every week by mowing lawns. ken has earned $600 and earns $30 every week for his father with household projects. in how many weeks will both thomas and kens earnings be the same? what will the amount of earnings be?  

What values of data might affect the statistical measures of spread and center

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

How do you find the circumfrance of a circle?