Answer:
34.98+51.02+51.22= 137.22 as a positive number. 5.23+10.22+7.89= 23.34 Then 137.22-23.34= 113.88
So the negative number will be -23.34
Step-by-step explanation:
There are 12 boys and 21 girls for a total of 33 students
Answer:
9x
Step-by-step explanation:
2(2x-1)+10x+2-3x
2x-2+10x+2-3x
9x+2-2
9x
Step-by-step explanation:
C4H6O3 + H2O => 2C2H4O2
C2H4 + 3O2 => 2CO2 + 2H2O
C4H10O + 6O2 => 4CO2 + 5H2O