Answer:
No solutions
Step-by-step explanation:
31 times any positive number cannot be a negative number.
Answer:
A,D,E
Step-by-step explanation:
Switch the x for -3, 2, 0, and 5 so the answer will be B
To simplify 7C4 we use the combination formula given by:
nCr=n!/[(n-r)!r!]
thus:
In our case we shall have:
n=7 and r=4
7C4
=7!/[(7-4)!4!]
=5040/[6×24]
=5040/144
=35
The answer is 35