George wrote an integer. The opposite of George’s integer is - 53.
Which of these statements about George’s integer must be true?
The integer is 53.
II. The integer has an absolute value of - 53.
III. The integer is - 53.
IV. The integer has an absolute value of 53.

A I and II
B II and IV
C II and III
D I and IV

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.