A plane is flying at 240 miles per hour in the direction N40°E. Express its velocity as a vector v in terms of i and j. Round to the nearest tenth.

What is the probability of rolling a single die greater than 4

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =