OK the question is asking what happens when you subtract (1.9+2.2) from 1.9x2.2 or more clearly 1.9x2.2-(1.9+2.2) which equals 4.18-4.1 or .08
Answer:

Step-by-step explanation:
Distribute the ^3 on top
(27
)
distribute the ^ -9 on bottom, only to what is in the parenthesis
(27
)
the 27's cross out, the
's cross out
/
is left
move the
to the top of fraction to change its sign
·
=
To make 70% she has completed 7 out of 10 shots. for her to get 75% she would need 3 out of 4 each time.
4%
To find the percentage, first find the area of both circles. The area formula is

. After finding the area of the center of the target (19.625) and the area of the large target (490.625), set up a percent proportion to determine the percentage that the center takes up:


Cross multiplying and dividing by 490.625 will give a total of 4%.