Can someone check this for me please and thank you

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?

Of jk j(–25, 10) k(5, –20). is y- of l, jk a 7: 3 ? –16 –11 –4 –1

April carriers 5 suitcases to car. each suitcases weighs 6 1/2 pounds. how many pounds does april carry in all