The expression should look something like 10x+20.
You're right ^^ if u wanna know why, I can answer it for u :)
*edit* I used the wrong your XD
Answer:
3
Step-by-step explanation:

Hope this helps!
Answer:
c
d
e
Step-by-step explanation:
c) 2(50%)=75%
d) 1=0.75
e) 1=0.75
Answer:
2
Step-by-step explanation:
sin 17° = x/7
(sin 17°) 7 = (x/7)7
x = sin 17° (7)
x = 0.292371704722737 (7)
x = 2.046601933059157
x ≈ 2