An expression is shown below: 3pf^2 - 21p^2f + 6pf - 42p^2. rewrite the expression completely factored. show the steps of your work.

Aliter of water contains about 3.35 x 10^25 molecules. a certain river discharges about 2.9x 10^8 l of water every second. about how many molecules does the river discharge every minute? write your answer in scientific notation

The second term of an arithmetic sequence is 30. the fifth term is 90.calculatei). the commor difference of the sequence ii). the first term of the sequence tje first, second and fifth terms of the arithmetic sequence are the first three terms of a geometric sequence calculate the seventh term of the geometric sequence

Complete each statement. an event with a probability of 0 is an event with a probability of 1 is