Ellen borrowed $2000 from IBC. They are charging her 4.7% simple interest for 30 months. How much interest will she pay?

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse