X + 20 ≤ -10
A) x ≤ 10
B) x ≥ 10
C) x ≤ -10
D) x ≤ -30
Solve.
-x ≥ -3
A) x ≥ 3
B) x ≤ 1
C) x ≤ 3
D) x ≥ -3

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle

Ineed to know how to write question one in mathematical terms