Use the given scale factor and the side length of the scale drawing to determine the side length of the real object? Scale factor 3:1

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?