Tracy invested in a share of stocks with an annual interest rate of 3%. the following expression represents the value of the stock after n years.

find the approximate interest rate over 7 years.

a.
21%
b.
19%
c.
23%
d.
15%

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

The paint recipe also calls for 1/4 cup of food coloring. tyler says mrs.mcglashan will also need 6 cups of food coloring. do u agree or disagree? explain.