OWN
(b) (-3) + 7 – (19) [ ] 15 – 8 + (-9)

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

b. f(x) = –√x + 3this is the correct answer

really your just stupid if you don't know this

step-by-step explanation: