Factorial – is the product of natural numbers, for example: 5! = (5)(4)(3)(2)(1) = 120

Simplify the following expression:

1) 11! 2) 15! 3) 20!

8!(7-3)! 10!(9-5)! 13!
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Find the vertex of the function given below y=x^2-6x+1

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

When rolling 26 sided number cube what are the chances some of the role will be seven