Smantha is driving from richmond to blacksburg. she has traveled 120 miles in 2 hours. at this rate, how long will it take smamtha to make the 210-mile trip?

a.) 1.5 hours
b.) 2.75 hours
c.) 3 hours
d.) 3.5 hours

15 points ! ~ see if you know the answer to both you!

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field