Answer:
Step-by-step explanation:
Your right I think it's c
Answer:
Negative infinity to infinity, 3 to infinity.
Let's use the variable "r" to represent the investment rate of the stocks:
2r(500) + r(800) = 45
1000r + 800r = 45
1800r = 45
r = 0.025
2r = 0.05
The $500 is invested at 5%
2 square root of 3(im like 98% sure)
