The average of 4 numbers is 10. If each of the four numbers is increased by 8, what is the average of the 4 new numbers?

A.) 8
B.) 10
C.) 12
D.) 14
E.) 18

What is the reflection image of (5,-3) across the line y = -x?

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.

Figure abcd is a trapezoid with point a (0, -4). what rule would rotate the figure 270° clockwise, and what coordinate would be the output for point a'?