Answer:
A. the opposite of -15
Step-by-step explanation:
hope this helped xD
7*6*5*4*3*2*1 = 7! = 5040
1*6*5*4*3*2*1 = 6! = 720
It is called a scale factor :)
Bear in mind that multiplying anything, and anything whatsoever by 1, has a product of the anything itself.
so, let's multiply 2/3 by 1 then and check about,