If the speed limit on a highway is 70 miles per hour, about how fast is this in miles per minute?

How do i do this activity, is appreciated

Here is my question! 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?

The slope of the line whose equation is 3y = 2x - 3 is 2 2/3 3/2