Niles and Bob sailed at the same time for the same length of time. Niles' sailboat traveled 10 miles at a speed of 5 mph, while Bob's motorboat traveled 24 miles at a speed of 12 mph. For how long were Niles and Bob traveling? A.
4 hours
B.
3 hours
C.
2 hours
D.
6 hours

Find x to the nearest hundredth place

What is the number 321,000,000 in scientific notation? also what is the number? ?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.