Answer:
24x
Step-by-step explanation:
=6x×4+24x×3-72x
=24x+24×3x-72x
=24x+72x-72
=24x
The pattern is 4, 12, 36, 108, 324, 972, 2,916
4+8=12
12+24= 36
36+72= 108
108+216=324 .... and so on
20x + 5y = 15
-20x -20x
5y = -20x + 15
/5 /5 /5
y = -4x + 3
Answer:
- The temperature is 8 degrees below 0
- A student's class average decreases by 8 points.
Infinite is your answer :)