Chef rita is cooking for a sunday brunch. she knows that 22 pancakes can feed 8 people. she is wondering how many people ( p )she can feed with 55 pancakes. she assumes each person eats the same quantity of pancakes.

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

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?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)