3/4 *10 is 7.5. 0.75 * 10 = 7.5
Answer:
A) 
Step-by-step explanation:
The equation of a circle is
where
is the center and
is the radius. If
and
, then:

Therefore, the equation of the circle is 
She walked 4.5 miles. just multiply the miles she walked Tuesday by 1.2.
The answer is $240.
If you round each amount to the nearest ten you get $130.00, $60.00, and 50.00. When you add all of those together you get an estimated amount of $240.
All answers are the same, 9, but only the first choice follows a correct simplification.