A ball is thrown from a building and falls $3t+5t^2 metres$ in $t sec.$ after how many seconds has the ball fallen $6 metre$ 

Make $x$ the subject of the given formula

$m=x+bp$

Make $x$ the subject of the given formula

$n=pr-x$

Make $x$ the subject of the given formula

$4x=m$

Make $x$ the subject of the given formula

$a{x}^2-b=c$

Make $x$ the subject of the given formula

$d-2b=mx+c$

Make $x$ the subject of the given formula

$\frac{x}{y}=3b$

Make $x$ the subject of the given formula

$m=\frac{p}{x}$