There useful because all sorts of things are measured in fractions and you need ratios for all sorts of things like for income and stuff
Answer:
B 8.56
this is the answer because you simply add what he bought so 1.13+1.13+1.76 which is 4.02 then subtract what he started with which was 12.58 so 12.58-4.02 is 8.56 so that's your answer
Answer:
(-2,-3)=5
(0,3)=3
Step-by-step explanation:
(-2,-3)=
2+3
(0,3)=
0+3
