Which equation of the least squares regression line most closely matches the data set?

yˆ=−2.3x+97.9

yˆ=−10.1x+118.8

yˆ=−0.31x+37.3

yˆ=−0.09x+11.5

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?