Find the zeros of the function f(x) = x2 - 5x - 6 by factoring.
what is the largest zero of the function? enter a number only.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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?

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?