Calculate the cross-sectional area, in mm^2, of a piece of copper wire, 40 m length and having a resistance of 0.25 Ω. Take the resistivity of copper as 0.02x10−6 Ωm

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

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.