Answer:
x=5
Step-by-step explanation:
7x+15-9x=5
-2x+15=5
-2x=-10
x=5
Answer: just graph them
Step-by-step explanation: the month is on the x axis and the money/people is in the y axis.
Answer:
[50, 410]
Step-by-step explanation:
If the plumber works 0 hours, he still charges $50, so that is the minimum of the range of charges.
If the plumber works 8 hours, his hourly charge of 8×$45 = $360 is added to his fixed charge of $50 for a total of $410. That is the maximum of the range of daily charges.
The range of the function is $50 to $410.
Answer:
20.875
Step-by-step explanation:
-5/2 is equivalent to -2.5, and if you multiply 2.5 by 2 you get 5, and you have to have the negative, so add that to the 5 and you get -5. Hope this helps!
