Me find the answer for problem number 5

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

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?