At 4:00 PM, a 100-foot pole casts a shadow 140 feet long. A tree near the pole casts a shadow 21
feet long. How tall is the tree?

For one week be an inventor and write down ideas for products or services that you think should be produced

What would be the distance of all the planets to the sun in astronomical units?

Rainbow trout is non- native to the united states. however this species is breeding with the native gula yltrout acientistrecently observed that the hola trout were becoming exitinct what is the cause of their extinction