Malika decides to use some of her savings to buy a bicycle. she compares the prices of 3 brands of bicycles: the racerz, the speedmonster, and the swiftee. the speedmonster's price is $64.80. the racerz is $20 less than 2.5 times the price of the speedmonster. the swiftee is 1.09 times the price of the racerz. what are the prices of the racerz and the swiftee? show your work

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.