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

What is the volume of the sphere shown below with a radius of 3?

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)