Answer:
a)=+2 b)=1
Step-by-step explanation:
A positive plus a negative is equal to a positive a
Answer:
A, yes.
Step-by-step explanation:
63:60, 21:20:
The difference between 60 and 20 is *3. If you do that to 21, you get 63. So a , yes.
Answer:
yes it is because they are both going by two
Step-by-step explanation:
M/18 = 24/15
15m = 18 * 24
15m = 432
m = 28.8
4/52 = 1/13 <== here ya go