Math

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1. math

   An electronics store sells 60 entertainment systems per month at $800 each. For every $20 increase in the selling price, the store sells one fewer system. What should the store set the price to in order to maximize the revenue?

2. Algebra

   This is the functions practice 1) which table of values does not represent a function? 2) given the function y=2x+3, what output values will result from the input values shown in the table? 3) which values for x and y will make

3. ENGLISH

   Which sentence is correct? A.I will never shop at Ace Electronics Store because of their rude employees. B.I will never shop at Ace Electronics Store because of its rude employees. C.I will never shop at Ace Electronics Store

4. Math help algebra

   You have a gift card for your favorite clothing store for the amount of $60. You have found a shirt you want to buy that costs $15. If you don't want to spend more than the amount of the gift card, which of the following

1. algebra

   you are buying orange juice for $4.50 per container and have a gift card worth $7. TheFunction f(x)=4.50x-7 represents your total cost f(x) if you buy x containers of orange juice and use the gift card. How much do you pay to buy

2. Math

   An electronics store is selling personal CD players. The regular price for each CD player is $90. During a typical two weeks, the store sells 50 units. Past sales indicate that for every $1 decrease in price, the store sells five

3. pre calculus

   You have a $50 coupon from the manufacturer good for the purchase of a cell phone. The store where you are purchasing your cell phone is offering a 20% discount on all cell phones. Let x represent the regular price of the cell

4. algebra

   You have $27.00 to spend at the mall and a coupon for $6.00 off at your favorite store. A t-shirt costs $11.00. How many t-shirts can you buy using your coupon and money? Ms. Sue please help

1. Pre Calculas

   7. For the function defined by: f(x)= {x^2, x1} a. evaluate f(0) 8. Solve the following system of equations algebraically. Verify your solution either graphically or by using matrices. 3x-y=0 5x+2y=22 9. Solve the following system

2. math

   Eric gets paid $7 for each hour he works at the electronics store, plus an extra $2 for every store membership card he sells. How many memberships does he have to sell if he wants to make more than $40 for working 4 hours? I need

3. math

   You received a $100 gift certificate to a clothing store. The store sells t-shirts for $15 and dress shirts for $22. You want to spend no more than the amount of the gift certificate. You want to leave at most $10 of the gift

4. Math

   Ms. Snyder wants to buy a television at an electronics store. All televisions at the store are 3/4 of the original price, p. She has a $40 discount coupon she will use during the sale. What equation should Ms. Snyder use to find

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