Find the zeros of y = x2 - 8x-3 by completing the square. O A. x = 13
O B. * = 4 + 19
O C. * = 3 + 7
D. X= -4 + v19

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

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?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if