when the daily mileage is greater than 40 miles, unlimited mileage plan will save you money. 40 miles is the break-even point.
step-by-step explanation:
1) letter c.
2) 4 square root of 9
hope this
since no one answered yet i will give it a shot, not completely sure tho.
i think it should be y=cos(x+2pi), (third answer, answer c)
good luck.