Answer:
Step-by-step explanation:
1 : 3 : : 4: x
Multiply 1 and x and multiply 3 and 4
x = 12
Answer:
3 hours
Step-by-step explanation:
as jen took 3 hours maryana will take equal amount of time as jen
Answer:
Doodoo
Step-by-step explanation:
doodoo
H=-16x to the second power +136
R2+15r+36=0 the answer is r=6