Answer:
Step-by-step explanation:
<em>First step is that you need to have the same denominators so 1/3=2/6</em>
<em>If she spent 1/6 on snacks and 2/6 on a book which means she spent 3/6</em>
<em>so the fraction of what she saved is 3/6 or 1/2</em>
The correct answer is 4
1.5 (4+4) -3 = 9
4.5 ( 4-2) =9
Exponent is the expression in where you convert product factor expression into a shorter expression. So really you use it to make the question simpler and shorter(easier to understand).
<em>i think it's just simply</em> y - 7 <em>?</em>