Answer:
2x + 7y
Step-by-step explanation:
3x + 5y - x + 2y
Arrange it to be simplified easier,
3x - x + 5y + 2y
3x - x = 2x
5y + 2y = 7y
2x + 7y
The heat transfer is D. Radiation
Radiation consists of heat and light which are relevant in this case
Answer:
81,000,000
Step-by-step explanation:
(3²)² × (10³)²
(9)² × (1000)²
81 × 1000000
81,000,000
Step-by-step explanation:
fill in the missing fraction parts