Which represents the polynomial written in standard form? 8x2y2 – + 4x4 – 7xy3 –7xy3 + 8x2y2 – + 4x4 4x4 – 7xy3 – + 8x2y2 4x4 + 8x2y2 – – 7xy3 –7xy3 – + 8x2y2 + 4x4

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

2500

step-by-step explanation:

[2, 2.5)

(2.5, 3]

step-by-step explanation:

i think its these two not sure [2, 2.5)

(2.5, 3]