Answer:A B C D
Step-by-step explanation:
it is A B C D
Answer:
(4 + 7i)(4 – 7i)
Step-by-step explanation:
This pair will produce a real answer because they are complex conjugates.
Complex conjugates ( a+bi) (a-bi) when multiplied together form a real number ( a^2 + b^2)
Answer:
The 7.14% of her income is the income tax .
Step-by-step explanation:
Formula

As given
A house painter has an annual income of $35,000 and paid $2,500 in income tax.
Here
Part value = $2500
Total value = $35000
Put in the formula



Therefore the 7.14% of her income is the income tax .
600 mm of rain / 30 min = 50 mm of rain per minute