Ndelaria estimates that the drama club sold 400 tickets to the school play. the
drama club actually sold 462 tickets. calculate mr. candelaria's percent error.

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 %

any of them that add up to 180 degrees.

it's possible to build a triangle with side lengths of 3, 3, and 9.- true ( b.)