Which statements about opposites are true?

select each correct answer.

a. the opposite of zero is zero.

b. the opposite of a negative number is always a positive number.

c. a number and its opposite are located the same distance from zero on a number line.

d. the product of a number and its opposite is always 1.

ill give brainliest

Solve the inequality and graph 6j - 7 < 5

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

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?