Answer:
Outside Temperature and Cost of Heating Bill
Step-by-step explanation:
The temperature could possibly go down and if its cost it will definitely go down.
Write down the numbers, one under the other, with the decimal points lined up. Put in zeros so the numbers have the same length, Then add using column addition, remembering to put the decimal point in the answer. Do the same for subtracting.
Answer:
9x-1
Step-by-step explanation:
The perimeter of the triangle is adding up all 3 sides.
(3x)+(x+6)+(5x-7)=P
9x-1 = perimeter
All I have done is combine like terms.
If there is a... x = something, replace x with the number.
