At Bruno's Video World, the regular price for a DVD is d dollars. How many DVDs can be purchased for x dollars when the DVDs are on sale at 20% off the regular price?
4/5x
05/4x
4/50

Who can you think of that has an a in their first name and a b in their last name?

To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use

Abacterium was found to contain a sequence of atcgggatcct in its genome. a few generations later, the sequence was found to be atcatcct. what type of mutation caused this change in the bacteria? a. duplication b. insertion c. inversion d. translocation