Answer:
W is either 4, 5, 6, or 7.
Step-by-step explanation:
-3x - 10 =5
-3x = 15
x = -5
2x + 6 = -8
2x = -14
x = -7
70.0000000001 meters per second
The formula is to multiply by the factor 0.27777777777817.
252 km/h * 0.27777777777817 = 70.0000000001
2b + 2c