Suppose P

$=42$ k

$,$ w$1$

$=3\mathrm{.}2$ k$/$ft

$,$ and w$2$

$=6\mathrm{.}4$ k$/$ft

in $($Figure $1).$ The support at B

can be assumed to be a roller.Suppose $P=42k,w_1=3\mathrm{.}2\frac{k}{f}t,$ and $w_2=6\mathrm{.}4\frac{k}{f}t$ in

$($Figure $1).$ The support at $B$ can be assumed to be a

roller.

Figure

Determine the reactions on the beam.

Express your answers in kilopounds to three significant figures separated by commas.

$k$

please help