Two spheres are similar. The ratio of their radii is 2:1. What is the ratio of their volumes? Please type your answer in the form of a ratio (x:y) with no spaces.

:

step-by-step explanation:

1. is 4 and 2. is 3

step-by-step explanation:

so if you look at the first one you see that 1 is to 4 and 2 is to 8 and so on, so you can see for every 1 there is a times 4 so if it were 3 then it would be 3*4 and it is 12

for number 2 it is 3 because 1 is to 3 and 2 is to 6 so for every 1 there is 3 so if it were 3 then there would be 3*3 = 9

y=mx+b

step-by-step explanation:

m slope

b y-intercept

can someone answer this question plz

step-by-step explanation: