The speed of light in space — the ultimate speed limit of the Universe — is 9.45 x 10^12 km/yr. What fraction of the speed of light is your interstellar travel velocity from 3.19 x 10^8 km/yr. Show work and give the answer as a decimal

Taking algebra two apex courses and need with these questions

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.

Answer this all of it i don’t know how to do it i wasn’t there because i was sick and it’s a nti today so i home not knowing what to do