Answer:
The terms are - 1, 7 and 15.
Step-by-step explanation:
Let the terms be a-d, a and a+d
ATQ, a-d+a+a+d=21, a=7. a+d-(a+(a-d))=9. d=8. The terms are - 1, 7 and 15.
Answer:
$75.65
Step-by-step explanation:
1 - .15 = .85 = 85% of the price is what you pay
89 • .85 = $75.65
Answer: This would be expressed as: " (x + 2) / 8 " .
Answer:
i
Step-by-step explanation:
√-1 is always going to be imaginary i
That is a math rule needed to memorize.