Answer:
$28
Step-by-step explanation:
40% of 20 is 8
20 + 8 = 28
Answer:

Step-by-step explanation:
Given
and 
Required
Which compares them correctly

This is incorrect because 0.63 is greater

This is also incorrect because 0.63 is greater

This is also correct because 0.63 is greater

This is also incorrect because 0.63 is greater
126,945 to the nearest ten thousand is 130,000.
Parenthesis indicate which part of the equation is to be done first, see PEMDAS. For example, 3(5-2)-4=5, but 3*5-(2-4)=17
Answer: 283 cm2
Step-by-step explanation:
The formula for finding the surface area of a cone is:
A=
Where r is the radius and h is the height.
Replacing: 
Solving: 282,7 ≈ 283cm2