From a hot air balloon, the angle between a radio antenna straight below and the base of the library downtown is 57°, as shown below. if the distance between the radio antenna and the library is 1.3mls, how many miles high is the balloon?

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?

Need this at the city museum, child admission is 6 and adult admission is 9.20. on tuesday, 132 tickets were sold for a total sales of 961.60. how many adult tickets were sold that day?

Which statement is true about the discontinuities of the function f(x) = x-5/ 3x^2-17x-28