Are 4x +11x^2 - 3x + 4x^2 and x + 7x^2 eqivalent?

Explanation is in the file

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i need more info. are you looked to see there mph? how much they deliver? how far they go?

step-by-step explanation:

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %