Answer:
40 units2 or c
Step-by-step explanation:
Volume = (pi 3.14)(r^2)(h)
(3.14)(49)(18)
(153.86)(18)
2769.48
Today: x=19
y=67+19=86
9 years ago: x=19-9=10
y=86-9=77
The total age 9 years ago: x+y=10+77=87
Answer:
20 degrees C
Step-by-step explanation:
You would substitute the F with 68 since it is 68 degrees F. Then you would solve the equation. (Subtract 32 from 68=36; multiply 36 by 5/9=20)