Respuesta :

Answer:

3/5

Step-by-step explanation:

to find the ratio, take the 2nd term and divide by the first term

-9/-15  = 9/15

which simplifies to 3/5


check by dividing the 3rd term by the 2nd term

-27/5  / -9

-27/5 * -1/9 = 3/5


the ratio is 3/5