When p(x)=x^3+ax+b is divided by x-1 the remainder is 2. when px is divided by x-2 the remainder is 1. find the values of a and b?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

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 unit rate of, 75% high fiber chimp food to 25% high protein chimp food.