The probability than an event happens is .42. what is the probability that the event won't happen

last option

step-by-step explanation:

given that δdef is right and isoceles,

assuming that side df is the hypotenuse means that de an ef are the other 2 sides that intersect at 90° and are of equal length.

because they are of equal length, we can say that they are congruent

because they intersect at 90°, their slopes must be opposite reciprocals.

only the last option satisfies these conditions.

4 packs of water and 7 packs of candy bars

step-by-step explanation:

35x4=140

140/20=7