Marquis wrote the linear regression equation y = 1. 245 x minus 3. 684 to predict the cost, y, of x songs purchased. Marquis spent $40 on songs. Which is the best estimate of the number of songs that Marquis purchased? 29 32 35 46.

if this is really you s much. i only have 3 points left and i have 2 questions to ask

its a straight line parallel to the time axis

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,