Answer:

Step-by-step explanation:
Use FOIL: <em>(a + b)(c + d) = ac + ad + bc + bd</em>

1. 55
2. N/A - Sorry. I can’t see the numbers properly.
3. 180
Answer:
Hi so you have the answer
Say you have 1.23 if the last digit is under 5 it would be 1.20
Now say you have 3.47 if the last digit is above 5 it would be 3.50
If it is something like 4.45 the 5 is the last digit so it would be 4.50
Step-by-step explanation:
um hope this helped :)
Answer:
22 x 20 is 440 ,
8x16 is 128 ,
440 - 128 is 312
Step-by-step explanation:
I THINK
I cant tell if this is french or spanish but please translate so we can try to help you