The price of a barrel of oil has been decreased recently. This monthe it is sellingat about $95 per barrel. Last monthe the price was $100 per barrel what is the percent decrease in the price of a barrel of oil from last month to this month?

What is the y intercept of f(x)=(1/2)^x?

What is the missing step in this proof ?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?