*Please answer* 30% of the class stayed after school to finish their science lab book. If there are 84 students that did not stay after school, how many did?

since the airplane is moving with constant speed then the distance travelled can be calculated by x=u*t

in km/h would be:

x=640*3.5=2.240 km

in m/s would be:

u=640 km/h= 640.000 m/h =640.000/ 3600 m/s =177.8 m/s

t= 3.5 h= 3.5 * 3600 s=12.600 s

then x=u*t= 177.8*12.600= 2.240.280 m

if the probability is 1/12, 75 people will receive a $25 gift card

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b). 4320 have a nice day

its a, i had the same answer, its from study island right

step-by-step explanation: