Answer:
68
Step-by-step explanation:
70 add 32
160 - 92
Answer:
x^2-y^2
Step-by-step explanation:
took a quiz and got it right
The number of natural numbers less than n is n-1.
Natural numbers are whole and positive numbers that are not 0.
If n is 2, there is one natural number less than n... and that is 1.
If n is 5, there are four natural numbers less than n... which are 1, 2, 3, and 4.