:Question $4$What would be the multiple regression equation for examining the relationship among sales, price, and the number of radio ads?Group of answer choices:Sales $=9,406\mathrm{.}6336\mathrm{.}94\backslash$times Price $+19\mathrm{.}82\backslash$times AdsSales $=9,406\mathrm{.}619\mathrm{.}82\backslash$times Price $+336\mathrm{.}94\backslash$times AdsSales $=8,763\mathrm{.}2+123\mathrm{.}78\backslash$times Price $+20\mathrm{.}23\backslash$times AdsSales $=8,763\mathrm{.}2123\mathrm{.}78\backslash$times Price $+20\mathrm{.}23\backslash$times AdsQuestion $5$What is the correlation coefficient of this equation? $(2$ decimals$)$Question $6$Based on this regression equation, if they drop the price for the basic carwash by $$0\mathrm{.}20,$ what would be the expected change in sales? $($Round your answer up or down to the nearest whole number.$)$Question $7$Based on this regression equation, if they increased the number of ads for the basic carwash by $20,$ what would be the expected change in sales? $($Round your answer up or down to the nearest whole number.$)$Question $8$What is the of this equation? $($round to $2$ decimals$)$Question $9$What is the forecast for the number of basic carwashes if the price were $$10\mathrm{.}60$ and there were $95$ radio ads? $($Round your answer up or down to the nearest whole number.$)$Question $10$What is the forecast for the number of basic carwashes if the price were $$10\mathrm{.}25$ and there were $120$ radio ads? $($Round your answer up or down to the nearest whole number.$)$