Answer:
-9, 9
Step-by-step explanation:
a² − 8ab + 16b² = 81
(a - 4b)² = 81 Wrote the left-hand side as a square
a - 4b = ±9 Took the square root of each side
All values of a - 4b are -9 and +9.
Answer:
1/2 and 0.5 is right
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
-9 x 0 is 0 and dividing anything with 0 is 0
Answer:
I KNOW I HAD IT BEFORE ITS C
Step-by-step explanation:
Answer:
8$
Step-by-step explanation:
4 students contribute 12$ Each.
So, total amount becomes 12 x 4 = 48$
If two more students contribute it makes a total of 6 students.
so we now divide the 48$ by 6
48/6=8$
