Which best explains why the rotation represents an isometric transformation?
a. The angle at point D remained a right angle
b. The rectangle did not change shape or size
c. Point C remained the center of the rectangle
d. Point C did not remain the center of the rectangle

Pls help

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000