1. The expression 5/5 + 7) is

8

Step-by-step explanation:

1. 5/5+7=?

The fraction means divide, so you divide 5 by 5. When you divide a number by the same number, it equals one. So 5 divided by 5 equals 1.

2. 1+7=?

The next step after dividing the fraction is you add the two numbers together. so 1 plus 7 equals 8.

$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)

b

step-by-step explanation:

it have 5 sides and 5 identicle angle.the rest does not have the same property as b.

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