A scale drawn on the map shows that 1 inch represents 40 miles. If two cities are 2.5 inches apart on the map, what is the distance between them in real life? A. 100 Miles
B. 90 Miles
C. 70 Miles
D. 60 Miles

Russell's study compared gpa of those students who volunteered for academic study skills training and those who did not elect to take the training. he found that those who had the training also had higher gpa. with which validity threat should russell be most concerned?

Rate of return douglas keel, a financial analyst for orange industries, wishes to estimate the rate of return for two similar-risk investments, x and y. douglas's research indicates that the immediate past returns will serve as reasonable estimates of future returns. a year earlier, investment x had a market value of $27 comma 000; and investment y had a market value of $46 comma 000. during the year, investment x generated cash flow of $2 comma 025 and investment y generated cash flow of $ 6 comma 770. the current market values of investments x and y are $28 comma 582 and $46 comma 000, respectively. a. calculate the expected rate of return on investments x and y using the most recent year's data. b. assuming that the two investments are equally risky, which one should douglas recommend? why?

Tony is a wheat farmer, but he also spends part of his day teaching guitar lessons, due to the popularity of his local country western band, farmer tony has more students requesting lessons than he has time for if he is to also maintain his farming business. farmer tony charges $25 an hour for his guitar lessons. one spring day, he spends 10 hours in his fields planting $130 with of seeds on his farm. he expects that the seeds he planted will yield $300 worth of wheat a. 130 b. 260 c. 170 d. $-80