10 is the answer to your question
<span>An exterior angle of a triangle is equal to the sum of the opposite interior
angles </span>⇒ x = 30 + 90 = 120°
Grocery Mart sold a better deal than baldwsin hills
Step-by-step explanation:

Answer:
10
Step-by-step explanation:
<u>A negative number with another negative sign is practically a positive number.
</u>
Example: -(-4)
-(-4)
-1 * -4
4
Question: -(-10)
-(-10)
-1 * -10
<em>10
</em>
Answer: 10