35 !
what is the simplest form of the expression?
d. none of these

.

In order to solve this problem we have to reduce the expression.

First, we have to combine the expression in a single radical:

Second, we have to reduce the expression above  by elimination of common factors:

rewriting the expression above:

Simplifying:

Multipliying the resultant expression by

Resulting:

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )