Answer:
D
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
This is formula fot completing the square:
(b/2)^(2)
(-20/2)^(2)
100
Answer:

Step-by-step explanation:
Answer:
A table
Step-by-step explanation:
you can start with one and have all the numbers that can land with one than two then three etc.
123
1 1 1
222
333
444
555
666
.........
Answer: D=22
Step-by-step explanation:
this is because if multiply f by r you get D and then you do all the other rmathematics and you wind up with 22