Question

Which graph represents three x is greater than or equal to twenty-one?

A number line shows the numbers zero to ten. There is a closed dot at seven and an arrow extending from that closed dot toward the right.
A number line shows the numbers zero to ten. There is an open dot at seven and an arrow extending from that open dot toward the left.
A number line shows the numbers zero to ten. There is a closed dot at seven and an arrow extending from that closed dot toward the left.
A number line shows the numbers zero to ten. There is an open dot at seven and an arrow extending from

Answer 1

@AloneS

Answer 2

A number line shows the numbers zero to ten. There is a closed dot at seven and an arrow extending from that closed dot toward the right.

Answer 3

@serena209