x = 12
Step-by-step explanation:
From Pythagorean theorem,
x^2 + 9^2 = 15^2
or
x^2 = 225 - 81 = 144
45/5+90+66/2
=9 + 90 + 33
=99 +33
=132
Answer:
159
Add 99 and 60 to get 159. Now subtract 99 from that and you will have 60.
