Positive 20 and negative 10 is a net amount of 10. 10 minutes is 1/6 of an hour. 5*1/6=5/6km
Yes she did my dude she really did
3/4x = 9....multiply both sides by 4 <==
3x = 9 * 4
3x = 36
x = 36/3
x = 12
Volume of a sphere of radius r is
V = (4/3)πr³
r = 9
V = (4/3)π(9³) = 12(9²)π = 972 π
Answer : 972π cubic units
