Rosario paid $2.50 for 3 pounds of apples. select all of the rates that are equivalent to the rate rosario paid.
a.$0.90 for 1 pounds
b.$4.50 for 5 pounds
c.$7.50 for 9 pounds
d.$9.60 for 11 pounds
e.$10.00 for 12 pounds

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

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?

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab