This is a problem of permutation or arrangements, the word PRECALCULUS has 11 letters, of which 3 letters appear twice, we want to get the number of indistinguishable arrangements, this is how we do it,
For our problem, what we do is
Answer:
98
Step-by-step explanation:
Answer:36
Step-by-step explanation:you multiply the 9 and the 4
Answer:
the X box one
Step-by-step explanation:
X>moon>star>heart>circle