Answer:
Step-by-step explanation:
Let x be the number.
4x -8 < 56
x ={ ........-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}
3
3x+2y=12
5x-7=y
3x+2(5x-7)=12
3x+10x-14=12
13x=12+14
13x=26
x=2
3(2)+2y=12
6+2y=12
2y=12-6
y=6/2
y=3
0.1925 is the answer for the question
3^-2=1/9
3^0=1
3^1=3
3^2=9