Answer:
The value of b is 19.
Step-by-step explanation:
With what the problem states, we have that:
Doing cross multiplication
a) 5x - 9 = 3x + 3
5x - 3x = 3 + 9
2x = 12
x = 12 / 2
x = 6
b) x + 6 = 34 - x
x + x = 34 - 6
2x = 28
x = 28 / 2
x = 14
I think that her taking the skateboard is 4 times as fast as her walking.
I got this because she traveled twice as long and twice as fast on the skateboard, so if you multiply it together, there u have it.
Z1 is also 105°
this is because vertical angles are always equal