Answer:
8x + 13
Step-by-step explanation:
Step 1: Write expression
(4x + 4) - (4x - 9)
Step 2: Distribute negative
4x + 4 + 4x + 9
Step 3: Combine like terms
took the test and its 0.5
.
2850*24/(4*24+18)
The light bulb consumes 600 watt-hours per day.
12.5
5/2*5=12.5
1254 Dont use this answer sorry