Answer:
It doesn't. x = 22 271 201
Step-by-step explanation:
You are going to need a calculator no matter how you do it.

(a) The direct method

(b) The indirect method

Answer:
2.749
Step-by-step explanation:
Use the polar distance formula:


2.749
Answer:
$135
Step-by-step explanation:
Paperback=$4.75
Hardcover=$11.50
Multiply 4.75 and 20=95
Multiply 11.50 and 20=230
Subtract 230 and 95=135
so it would be $135
Answer:
Infinite: 2x+7=2+7
One solution= 2x-5= 10
No solution= 2x+7=2x-6
Step-by-step explanation: