Answer:
-30
Step-by-step explanation:
( Add 2 on both sides)
( Multiply by -3 on both sides)
<u>Verify:</u>
<u />
(Correct<u>)</u>
<span>2n−1 + 7n - 2
= 9n - 3
-------------------</span>
Answer:
1.5 is not a prime number
Step-by-step explanation:
2. Angle Addition Postulate as they are adding both angles
3. 60 + 40 = m <ABC because it's a substitution
4. 100 = m <ABC as it is simplified already
5. Definition of obtuse angle
Answer:
78 cm²
Step-by-step explanation:
since all sides are congruent you multiply the one measurement 6 times,so you do 13 × 6 equals 78
