15. karl rode his bicycle of the distance
from lakeview to bay cove, which is
24.1 miles. how many more miles does
he need to ride to complete his trip?

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Average acceleration: i have no idea how to do this.