Step-by-step explanation:
the common ratio is -4
Gn=2 (-4)^n-1
Hello :
<span>2x+y=1 ....(1)
9x + 3y = -3....(2)
by (1) : y = -2x+1...(*)
by (2) : 3(3x+y) = - 3
3x+y = -1
y = -3x -1 ....(**)
by (*) (**) :
-2x+1 = -3x -1
- 2x +3x = -1 -1
x =-2 is </span><span>The x-coordinate of the point of intersection</span>
Answer:
70 ≤ (94 + 89 + 78 + s)/4 ≤ 79
280 ≤ 261 + s ≤ 316
19 ≤ s ≤ 55
Step-by-step explanation:
Im assuming B because a 2/3 chance means most likely, not impossible or certain
