From here, it looks like all three sides of the right triangle are missing. I don't see any of them in the question.
Answer:

Step-by-step explanation:
Solve for the value of
:

-Combine both
and
by subtracting
by
:


-Subtract
to both sides:


-Divide both sides by
:


So, the value of
is
.
Makes his grass greener and healthier
Answer:
2+−3×4=−10
2−12=−10
−10=−10
Infinitely Many Solutions