Answer:
First image: -83/2
Second image: 8.62%
Third image: -43/2
Step-by-step explanation:
See the attachments
Answer:

Step-by-step explanation:
we know that
The ratio of soil, manure and leaf mould is 
That means
For every 6 liters of the compost, he use 3 liters of soil
so by proportion
Find how many liters of soil does he use for 72 liters of compost

G because she need to sell 20 vases because the cost is 450 and if you divide it by 23 for the price the vases will be sold for it comes to 19.57 and you can't sell .57 of a vase you have to round up to make more than the money spent
<u>Answer:</u>
<em>Number of calories in one slice of a 14 inch pizza is 189.825.
</em>
<u>Step-by-step explanation:</u>
Given that 6 inch pizza has <em>650 calories.
</em>
Therefore 1 inch pizza has
<em>calories.
</em>
14 inch pizza will have

Given that the 14 inch pizza is divided into 8 slices.
Therefore each slice of the 14 inch pizza will have
<em>
</em>
Answer:
78.5 m²
Step-by-step explanation:
The formula to find the area of a quarter of a circle:
, where
is the radius (diameter ÷ 2) and the
is alterable.
1) Substitute the given values into the formula.
= 
2) Solve it.
= 
= 78.5
3) Round it off to the nearest tenth. In this case, it has already been rounded off.