Answer:
1) D
2) 10
Step-by-step explanation:
sin(30) = opposite/hypotenuse
sin(30) = 5/x
½ = 5/x
x = 5/0.5
x = 10
Multiply the binomials:
(3x + 4)(5x - 2)

Final answer
Option B is the final answer
30 mins = 180°
15 mins = 90°
10 mins = 60°
1 min = 6°
hope this helps you
Angle E to angle T
Angle F to angle S
Angle G to angle U
EF is TS
FG is SU
TU is GE
Hope it helps :)