What is the slope of the line that contains the point (-2, 7) and (2, 3)? A. -1 B. -4 C. 1 D. 4

A. -1

Step-by-step explanation:

Slope = (y2 - y1) / (X2 - X1)

= (3 - 7) / (2 +2)

= - 4/ 4

= - 1

Hope this helps.. Good Luck!

The slope is -1.

Step-by-step explanation:

Plug it into the formula.

30

step-by-step explanation:

times by times

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;