Sarah is a computer engineer and manager and works for a software company. She receives a fixed annual increase in the number of projects she handles each year. She worked on 129
projects in the fourth year of her employment and 207 projects in her tenth year.
(a) How many projects did Sarah work on in her first year?
(b) If a project pays her $500 on average,
I. How much did she earn in her twelfth year?
II. How much did she earn in total in her first 12 years with the company

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

i think 5 miles per hour

step-by-step explanation:

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.