For this data set, the least squares regression line is Y = 31.72 + 0.62X, where X represents the final exam score as a percent, and Y represents the predicted course grade as a percent. Using the given equation of the regression line, what is the predicted course grade of a student who earns 85% on the final exam?

  84.42

Step-by-step explanation:

Put the given value where X is, and do the arithmetic.

  Y = 31.72 + 0.62(85) = 31.72 +52.7 = 84.42

The predicted course grade is 84.42.

the perimeter is increased by a factor of 2

whatever you can spend with $11.53 or under.

step-by-step explanation:

20 - 8.47 = 11.53. take away the money he used for lunch from the starting amount of 20.