Answer:
a: 12 cm
b: I think it's 2.5 cm but someone might have to double check that
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
3:2
Step-by-step explanation:
I'd say 3:2 because when you divide 45/30, you get 3/2, which is the same as 3:2. Hope this helps!
Answer:
2
Step-by-step explanation:
Answer:
$9.49
Step-by-step explanation:
price after 10% discount: 9.95 x 0.9 = 8.955
price after 6% sales tax: 8.955 x 1.06 = 9.4923