a cellphone store sold 450 newly released cell phones in three hours. this was 30% of the number of phones sold that day. how many newly released cellphones did the phone company sell that day?

Evaluate the following expression when x = 3 and y = 4: Fraction with x squared plus y cubed in the numerator and 2 plus x in the denominator. a 3.6 b 8.6 c 14.6 d 21.6

Samantha buys candy bars for $0.75 each and increases the price by 40% to sell at the concession stand. Which represents the amount of the price increase? (A) $ 0.30 (B) $ 0.40 (C) $ 0.50 (D) $ 0.60

Is it possible for one body to be at rest and moving at the same time? Why is that?

5 stamps cost 2.20 how much does 7 cost

James buys a video game for his xbox for 49.99 a controller for 34.95 and a walk through manual for 19.99 the sales tax in his area is 8.25% what will be the total cost of his purchase

How do I identify the rate of change on a linear function?

Antarctica comprises about 10.5% of the total land area on Earth. Antarctica has a surface area of about 5,400,000 square miles. What is the total land area on Earth?

Dave bought 18 packets of cookies for $21.60. Each packet of cookies contains 20 cookies. find the cost of each cookie to the nearest tenth of a cent

A football field is sloped from the center toward the sides for drainage. The height h, in feet, of the field x feetfrom, the side, is given by h=-0. 00025x2 + 0 04x.

Cherie owes $6,230 on her Electronics Boutique credit card with a 20.4% interest rate. She owes $2,960 on her Miscellaneous Goods credit cards which has a 28.1% interest rate.