<h2>The test is worth 15 points.</h2><h3 /><h3>Double-check:</h3><h3>15 x 1.2 = 18</h3>
X = low-energy lamp
y = high-energy lamp
1) 4x + 5y
2) 120= 4x + 5y
The Pythagorean Proposition can help you explain this:
Answer:
∠EDC and ∠FDB
Step-by-step explanation:
I just took test
Also please make me Brainliest