It is a prime number. 89=1×89 hope it helps
I think its 160 because if its 5 or more round up if 4 or less round down so 164 the 4 is less so its 160
.60 if you divide 3.60 by 6 youll get the answer heres another example:
$25.16 (total for a dinner) divided by 6 = $ 4.19
R-9s=2 add 9s to both sides
r=2+9s making 3r-3s=-10 become:
3(2+9s)-3s=-10 perform indicated multiplication on left side
6+27s-3s=-10 combine like terms on left side
6+24s=-10 subtract 6 from both sides
24s=-16 divide both sides by 24
s=-16/24
s=-2/3, making r-9s=2 become:
r-9(-2/3)=2 perform indicated multiplication on left side
r+6=2 subtract 6 from both sides
r=-4
So s= -2/3 and r= -4
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