Answer:
4 or5or6
Step-by-step explanation:
3+1=4
3+2=5
3+3=6
How to increase 3 by a number?
In maths, increasing is the same as adding. So we add a number (let the number be ) to :
algebra
using algebra form an equation than solve for the variable keep in mind u have to square it
Idk
Step-by-step explanation:idk