Answer:
x = 11
Step-by-step explanation:
ΔLKM is an equilateral because a triangle with all 3 sides that are congruent is an equilateral triangle.
Angles in an equilateral triangle are all 60°.
Thus, ∠L = 60°.
=> 3x + 27 = 60
=> 3x = 33
=> x = 11
Answer:

Solving Steps
Use the quadratic formula

Multiply / Remove the parentheses / Evaluate

Calculate

Separate the solutions

Simplify

Answer:
c
Step-by-step explanation:

Answer:
9r
Step-by-step explanation:
combine like terms in PEMDAS order. Add 4, 9, and 7, then, subtract 11.
1. false
2. true
3. true
4. true
5. what is GM
6. no
7. true
8. false