Aroad crew is widening a street that is 12 meters wide. their scale drawing says the new street has to be 175% of the width of the old street. how wide should the new street be?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?