Answer:
Step-by-step explanation:
Apply exponent rule: (-a)^n=a^n, if n is even
Apply Radical Rule:
Apply Radical Rule:
Apply Rule -(-a)=a
1. (4,1) is not a solution because when u sub it into the equation, it does not come out correct. It would be correct if it was (1,4).
2. C = 2.50d.....where C is the cost and d is the number of drinks bought. And if u pick any number for d, then u can solve for the cost (C).
Answer:
500 meters
Step-by-step explanation:
1km=1000meters so 0.5km=500m