In order to determine whether or not there is a significant difference between the hourly wages of two companies, the following data have been accumulated.
company 1 company 2 n1 = 80 n2 = 60 xì„1 = $10.80 xì„2 = $10.00 ïƒ1 = $2.00 ïƒ2 = $1.50 refer to exhibit 10-13. the point estimate of the difference between the means (company 1 – company 2) is

a. 8
b. –20
c. 50
d. 20

Plz need answer now will mark which situations represent linear functions? check all that apply. a)the temperature rises and falls over the course of a day. temperature is a function of time. b)a baseball is hit into the outfield. the height of the ball is a function of time. c)a car goes 55 mph on the highway. distance is a function of time. d)a child grew 2 inches this year and 1 inch last year. height is a function of time. e)a movie director makes 2 movies per year. the number of movies is a function of the years.

Plzzzz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28