Mario has saved $273. Approximately how much money has Mario saved? Round to the nearest ten.
$200
$270
$280
$300
Mark this and retum

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

What is the quadric regression equation that fits these data

Abank gives 6.5% interest per year. what is the growth factor b in this situation?