On the map, line ab represents a trail that you are hiking. you start from the beginning of the trail and hike for 90 minutes at a rate of 1.4 mph. how much farther do you need to hike to reach the end of the trail.

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet