Respuesta :

Ruilin0715
1. The car is 10km/h faster than the bus

Explanation:

50/2.5=20
50/5=10
20-10=10

2. m=-1.5

Explanation

5+7=12
-5-3=-8
12/-8=-1.5

3. f(-4)=-22

Explanation:

f(-4)=4(-4)-6


4. x=37

Explanation
44=2x-30
74=2x
x=37