Answer:
u=11
Step-by-step explanation:
1. 36=47-9
36≠38
2. 36=47-11
36=36
3. 36=47-8
36≠39
4. 36=47-38
36≠9
5
speed=d÷t.
s=1/4=1/20
cross multiply your equation
Q10 is 13.64 cm3
Q 11 is 221 cm3
volume is cross sectional area times height for Q 10
volume is length times width times height for Q 11
