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initial height of plane a 2mi

height of plan b after 40 sec 1mi

20sec they fly at the same height

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

the number of possible outcomes that do not show a 1 on the first spinner and show the number 4 on the second spinner is 2.

spinner 1 spinner 2

1                     1

1                     2

1                     3

1                     4

2                   1

2                   2

2                   3

2                   4   = not 1, and 4

3                   1

3                   2

3                   3

3                   4 = not 1, and 4

only 2 outcomes have passed the given condition.

step-by-step explanation: