Answer:
4
hours
Step-by-step explanation:
he was gone for 5
hours, he spent
an hour driving.
5
-
= 4
hours at work.
Answer: No it is not.
Step-by-step explanation: A rational number is a number that can easily be expressed as a fraction or decimal, and square root of 7 cannot be easily expressed.
Answer:
y= 9x + 8
Step-by-step explanation:
Calculate the function values for x = 2

Look at the picture.
Answer:

There is 1000 mm in one meter....
So..... .9 x 1000 = 900 mm