What is the unit rate (K) of a proportion relationship that goes through point (12,3)? (HOW DID YOU GET YOUR ANSWER PLEASE SHOW ME YOUR WORK!!)

A. 160.49
B. 1/4
C. 242
D. 12.36
E. 4240
F. 1/24
G. 0.26
H. 2/4

What is the range? can’t seem to find it out

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?