Consider u = {x|x is a positive integer greater than 1}. which is an empty set? {x|x ∈ u andone-half is prime} {x|x ∈ u and 2x is prime} {x|x ∈ u andone-half can be written as a fraction} {x|x ∈ u and 2x can be written as a fraction}

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).