Answer:
Step-by-step explanation:
"A" must be added to first expression to get the second one:
- A + 2x² - 3 xy + 5yz = x² - xy + y²
- A = ?
------------------------
- A = x² - xy + y² - (2x² - 3 xy + 5yz) =
- x² - xy + y² - 2x² + 3 xy - 5yz=
- -x² + y² + 2xy - 5yz
16 x .20 add the .20 value for the total price
Answer:
D) 30
Step-by-step explanation:
1/2 in. = 3 ft.
5" = 10 x 1/2"
10 x 1/2" = 10 x 3'
5" = 30'
