Answer:
r=244745.8 (approximately)
Step-by-step explanation:
r=x²/y
ry-x²=0
r(59000)-(380000)²=0
r=380000²/59000
r=144400000/59
r=244745.8 (approximately)
Answer:
B
Step-by-step explanation:
Answer: 140cm 2
Step-by-step explanation: 8 x 5 = 40 x 4 = 115 + 25 = 140
Answer:
7
Step-by-step explanation:
To estimate the total cost, I would say that it is roughly $2 per gallon, and she is buying roughly 9 gallons, so the total cost ≈ 2 x 9 = $18.