Answer:
the square root of -1 is actually "i"
Step-by-step explana
Answer: 500 dollars
You just plug in 100 to the x’s in the equation
157.30*.10=
157.30-15.73=
$141.57
this is still without the tax and tip or assuming there is none because it doesn't say how much they want to tip or weather they are planning to tip at all. It also doesn't say the percent of tax.