Let tree's height = h
h/80 = tan 30
⇒ h = 80 tan 30
⇒ h = 80 * 1/√3
⇒ h = 46.19 ft
The answer to your problem is C
Answer:
6
Step-by-step explanation:
7+2x where x is DVDs borrowed
7+2x=19
2x=12
x=6
6 DVDs borrowed for the same price
So x=7 and y=10 because 35+70 equals 105 what i did is just plugged in numbers.