Answer:
4x²
Step-by-step explanation:
Your equation is 4x² - 6x² + 7x² - 20x² + 19x².
Since they all have the same variable, simply combine them all to find your answer.
4x² - 6x² + 7x² - 20x² + 19x²
-2x² + 7x² - 20x² + 19x²
5x² - 20x² + 19x²
-15x² + 19x²
4x²
Answer: she made 11 sparkelers and gavin made 21
Step-by-step explanation:
Answer:
<2 = 121
Step-by-step explanation:
Consecutive exterior angles add up to 180 degrees.
121/100 is the answer. it cant be simplified anymore
Answer:
1. 2 × 10⁵
2. 8 × 10⁴
3. 9 × 10⁸
4. 1 × 10¹⁰
Step-by-step explanation: