Marshall can make 6 necklaces every hour. yolanda can make 3 times that many every hour. how many hours would it take them to make 48 necklaces?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?