Answer:
To the 1st one: Im not sure.
To the 2nd one: 12.36 $ after tax.
Step-by-step explanation:
Answer:
x=4
Step-by-step explanation:
well you know that the square is 90 degrees so you set it up as 90=21x+6. Then you subtract 6 from both sides and it gets you 84=21x. Then divide 21 on both sides. So the answer is x=4
Answer:
Final solution is ---> 17
See attached picture for step-by-step explanation