Andrew has three times as many pens as Owen. Together they have 20 pens. How many pens Andrew have?

Who is sigma Lazyeight?

If you were to place $2,500 in a savings account that pays 5% interest compounded continuously, how much money will you have after 10 years? Assume you make no other deposits or withdrawals. How would I go about finding this?

LII Animals Seen in the Forest 20 Number of Animals Deer Birds Bears Squirrels

Two trains leave the station at the same time, one heading cast and the other west. The eastbound train travels at 75 miles per hour. The westbound train travels at 65 miles per hour.

Is the constant of proportionally in gallons per minute the same for every row? What does this say about the relationship of the amount of water to time?

What is the reference angle of - 3 radians? Explain.

What is the volume of a square based pyramid with a side 11 cm and a perpendicular height of 20 cm

Gwen had 7 1/7 cups of flour. If she used 3 5/7 cups baking, how much flour did she have left

Which expressions are equivalent to 10 a - 25 + 5 b

The high school, middle school, and elementary school are all on the same road. The distance from the high school to the middle school can be represented by the expression 8.7x2+11.9x+3.5.