Evaluate 24−8x when x=−2

When you answer this can you explain

Shape a is congruent to shape , as shown by a reflection across the y-axis and then a translation down units. shape b is congruent to shape , as shown by a reflection across the y-axis and then a translation down units.

Describe a situation where it would be beneficial to round decimals to the nearest dollar. explain why you would use rounding in that situation.