The coordinates for the endpoints of a line segment are (-5,13) and (-9,21). find the coordinates for the midpoint of the line segment. a. (-7, 17) b. (-4, 4) c. (-2, 4) d. (4, 17)

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?