Which of the following is equal to the ratio 5cm:5m:0.02km? A. 10: 400 C. 1: 100: 400

B. 300:2000 D. 10: 500

Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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?