The pool at "splash around" is open for 14 weeks during the summer. you can swim for $6 a session, or you can buy a membership for $100 and pay only $4 a session. which equation would you use to determine how many sessions you must use the pool to justify buying the membership? a) 4x = 100 + 6x b) 6x + 4x = 100 c) 6x = 100 + 4x d) 100 - 4x = 6x

C)

Step-by-step explanation:

Let the number of sessions be x

Let the total payment be y

Without membership, the equation becomes:

With membership, the equation becomes:

Now to justify, $100, we will equal both to get the number of sessions.

Dividing both sides by 2;

x = 50

Hence, the right equation is :

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.