Answer:
Mark will make $80 if he works an eight-hour shift.
Step-by-step explanation:
For every six hour shift he works, Mark makes $60
This implies that for every hour, he makes $10 ($60/6)
Therefore, for working an eight-hour shift, Mark will make $80 ($10 * 8) or ($60/6 * 8).
We can conclude that Mark's employer pays him $10 per hour.
This hourly rate can be used to work out how much Mark will earn if he works for a month or a year, as the case may be.
Answer:
5.209 or A
Step-by-step explanation
5^x-4=7
reserve 4
log sides
x-4 log5 and log7
x-4=log7/log5
+4 or number of your equation
x=log5/log7 +4
use calculator
get answer
5.209
EDIT: Got a 100 on the test this is correct
Answer:
See explanation
Step-by-step explanation:
Consider the expression

First, factor it:

Note that

Then

This shows that number 100 is a factor of the expression
and, therefore, this expression is divisible by 100.
Answer:
x= 1, -1
Step-by-step explanation: