Answers:
a)
b) 27
c)
2b - 6 = -4
2b = -4 + 6
2b = 2
b = 2/2
b = 1
Answer:
x < -2.5 and x > 1
Step-by-step explanation:
a+(a+60)=760
a=adult tickets
a+60=student tickets
a+a+60=2a+60
2a+60=760
-60 -60
2a=700
÷2. ÷2
a=350
350 adult tickets
sin 30=14/x
x=14*2
x=28
and
x=√{28²-14²}
x=14√3
