At the movie theatre, child admission is $5.50 and adult admission is $9.40 . on monday, four times as many adult tickets as child tickets were sold, for a total sales of $1379.20 . how many child tickets were sold that day?

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.

step-by-step explanation:

1. the cylinder is a. 54

2.   a.108 /