Question

The linear regression equation for a data set is y = -1.2x + 23.5, where y represents the number of balloons sold and x represents the week number. Use the equation to predict the number of balloons the store will sell during week 8. Round to the nearest whole number.
A) 73



B) 14



C) 33



D) 96

Answer 1

Should be B.
as x represents the week number you simply plug in 8 for X so,
y=-1.2(8)+23.5
y=13.9 that is just 14 then

Answer 2

The answer your question is B                                                                  
     Hope this helps