Brock is a plumber. he charges a flat rate of $40 to visit a house to inspect it's plumbing. he charges an additional $20 for every hour he spends inspecting or making repairs. which graph below correctly shows the price of using brock's plumbing service vs time?

What value of x is in the solution set of 4x – 12 s 16 + 8x?

What is the value of x in the equation7x+2y=48 when y=3

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.