What number is equivalent to the following expression? choose all that apply.

6! 2!

a 12!
b 1440
c 5*4*3*2*1*2*1
d 40,320

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?