1. DHL Department Store purchases their goods in bulk. They are supplied with boxes of earphones that contains 15 each, at a price of $12,000. How much profit do they earn for earphone sold? (Earphone costs $1,100) 2. A woman purchased a phone and tablet and got a loyalty discount of 8%. Sales Tac of 15% was charged on the goods. Calculate the amount she paid. Note: Discounts are appiled before tax. (Phone costs $16,550 and Tablet costs $8,160)

3. A factory defect in a Bluetooth Speaker caused DHL department store to sell the item for only $3112. Calculate the percentage loss incurred (Bluetooth Speaker costs $3,890) Please help asap

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?

(co 3) the times that customers spend in a book store are normally distributed with a mean of 39.5 minutes and a standard deviation of 9.4 minutes. a random sample of 25 customers has a mean of 36.1 minutes or less. would this outcome be considered unusual, so that the store should reconsider its displays? no, the probability of this outcome at 0.035, would be considered usual, so there is no problem yes, the probability of this outcome at 0.035, would be considered unusual, so the display should be redone no the probability of this outcome at 0.359 would be considered usual, so there is no problem yes, the probability of this outcome at 0.965 would be considered unusual, so the display should be redone