Solve for the given variable: a = p (1 + rt) for t

A = P(1+rt)

A = P + Prt

A - P = Prt

(A - P)/Pr = t

So the answer is:

t =

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.