Answer:
1) (4,4) 2) (4,0) 3) (6,1)
Step-by-step explanation:


multiply 1 by 2=2 then write
multiply 2 by 2= 4 then write
The answer is -4
-20 divided by 5 ^
Answer:
d) -2
Step-by-step explanation:
(-1 - 19)/(16 - 6)
-20/10 = -2
1. She could get 9 envelopes for 4 dollars each (or the other way around)
2. She could get 12 envelopes for 3 dollars each (or the other way around)
3. She could get 18 envelopes for 2 dollars each (or the other way around)