66 is the answer for your questioj
Answer:

Step-by-step explanation:
Given the expression
.
we have to find the simplest form of the expression.

=
=
=
which is the simplest form of the given expression.
7.3 as a decimal is 0.75 as a decimal
<span>-5√x = -15
</span><span>√x = -15/-5
</span><span>√x = 3
x = 3&2
x = 9
answer is </span><span>D. x = 9</span>