Is this correct? 20 points ;)

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?

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7

Don't answer if you don't know steve completed 9 homework problems in class. the function p(m) relates the time (in minutes) steve spent on his homework at home to the total number of problems he completed. the input is the number of minutes worked. the output is the number of problems completed. a. m(p) = 54p-6 b. m(p) = 6p - 54 c. m(p) = 54p +6 d. m(p) = 6p +54