Answer:
500
Step-by-step explanation:
Given: P = 150 - T where P is passenger cars and T is trucks
10P = 7T ⇔ P = 
Plug in equation 2 into equation 1:
= 150 - T
Solving for T, we get 500
That would be 0.14 after rounding up from 0.1379
Answer:
D
Step-by-step explanation:
I'm not certain but I guess that's it
Answer:
B. Obtuse triangle
Step-by-step explanation:
The following triangle is an obtuse triangle.
The speed is 630mp/s I think. Because you have to multiply Wavelength by Frequency to get true speed
