The usher at a wedding asked each of the 80 guests whether they were a friend of the bride or of the groom. Find the probability that a randomly selected person from this sample was a friend of the bride OR of the groom.

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

step-by-step explanation:

at each of the parallel lines adjacent angles are supplementary. the angles have special names identifying their positions with respect to the parallel lines and transversal. they are corresponding angles, alternate interior angles, or alternate exterior angles. an angles is congruent to its matched angle.

answer: can you show the options ?

step-by-step explanation: