Answer:
53/100cm^2 (0.53cm^2)
D 34 is the right answer because 30+30+35+35+40=170 and 170/5=34 and that is your mean
hope i helped you out
$72
Given:
Question:
How much money did she have at first?
The Process:
Let us design a diagram that matches the above situation.
1 unit represents 1 part of all the money she had at first.
Abbie spent of her money and saved the rest, that is or 5 of 8 units.
From the diagram she spent above, 5 units exactly match the $ 45 she spent.
Therefore,
Abbie had 8 units at first.
Let's count how much money did she have at first.
Thus, she had $ 72 at first.
- - - - - - - - - -
Quick Steps
of her money at first is $45.
The money she had at first is
We crossed out 45 and 5.
Keywords: Abbie spent, 5/8 of her money, and, saved the rest, if, she spent, $45, how much, she have at first, diagram, unit, part
x^2 + 6x - 1 - (3x^2 - 4x - 1)
Distributive -1 to each term in parentheses.
x^2 + 6x - 1 - 3x^2 + 4x + 1
Combine like terms.
-2x^2 + 10x