Abouquet of flowers has 12 roses and 15 carnations. select all answers that express the ratio of roses to carnations.

a- 12/15

b- 12: 15

c- 12 to 15

d- 12 + 15

The answers are A. 12/15, B.12:15, and C. 12 to 15

Step-by-step explanation:

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right