The cost of a plane ticket from sydney to brisbane cost $108 four weeks ago. it now costs $216.by what percentage has the the cost of the ticket increase by?

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Ialready asked this but i never got an answer. will give a high rating and perhaps brainliest. choose the linear inequality that describes the graph. the gray area represents the shaded region. y ≤ –4x – 2 y > –4x – 2 y ≥ –4x – 2 y < 4x – 2