6^2 is the correct answer
Tan(theta)= opposite/ adjacent
tan(35) = opp / 10ft
opp=10 * tan(35)
opp= 7.002 ft tall
5x+130=8x+151
subtract 5x from each side
5x-5x+130=8x-5x+151
130 = 3x+151
subtract 151 from each side
130-151 =3x
-21 = 3x
divide by 3
-21/3 = 3x/3
-7 =x
1 kg = 1 * 10 ^ 3 g
kilo = 10^3