The following minitab output relates to a house having 2,000 square feet and a rating of 8. new obs fit se fit 95% ci 95% pix 1 161.7323 6.68 (145.94, 177.53) (128.94, 194.52) report a point estimate of and a 95 percent confidence interval for the mean sales price of all houses having 2,000 square feet and a rating of 8. (round your answers to 2 decimal places.)

the first one, all those points on the line just make a strait line.

the answer is d

hope this

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -

answer: 1+1

step-by-step explanation: 1+1 is at least 2