4 students per table
20/5 = 4 (students/tables = students per table)
Answer:
Step-by-step explanation:
Answer:62
Step-by-step explanation: 62
Answer:
-36,047.
Step-by-step explanation:
Sum of n terms = a1 .( r^n - 1) / (r - 1)
So Sum of 7 terms = -11 . ((-4)^7 - 1 / (-4-1)
= -11 * -16,385 / -5
= -36,047.
Y (9 + 2y)
= y (9) + y (2y)
= 9y + 2y²
= 2y² + 9y
