Two vectors are given by vec$(a)=7\mathrm{.}2$hat$(i)+1\mathrm{.}5$hat$(j)$ and vec$(b)=2\mathrm{.}7$hat$(i)+5\mathrm{.}0$hat$(j).$ Find $($a$)|vec(a)$vec$(b)|,($b$)$ vec$(a)*vec(b),($c$)(vec(a)+$vec$(b))*vec(b),$ and $($d$)$ the

component of vec$(a)$ along the direction of vec$(b)?$

$($a$)$ Number

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$($b$)$ Number

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$($c$)$ Number

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$($d$)$ Number

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