Answer:
10 pages
Step-by-step explanation:
386/42=9.1 pages
but you can not have .1 of a page so you add another page.
This is the number of combinations of 2 from 23
23C2 = 23! / 2! 21!
A quick way to do this is 23*22 / 2 = 253
Answer:
6
Step-by-step explanation:
2y x 3x
Answer:
the second number is 4
Step-by-step explanation:
13+x=17
x=4
