9: x^15-8
= x^7
10: n^22-13
= n^9
11: (x^3)^-9
= x^3*-9
=x^-18
=1/x^18
12: (ab)^4
=a^4*b^4
13: x^-5
=1/x^5
14: x^7\y^7
I hope this will help you
Answer:
The answer to your question is letter C
Step-by-step explanation:
(x² - 5x) + (2x² + 2x - 5)
Process
1.- Remove parenthesis without changing the sign of the terms
x² - 5x + 2x² + 2x - 5
2.- Simplify like terms
(x² + 2x²) + (-5x + 2x) - 5
3.- Result
3x² - 3x - 5
39. its 2/3rds for both, so you just have to cut it in half, then add that to the number you're given. ONLY WORKS FOR 2/3RDS
Let’s see! Substituting 3 for x and -1 for y:
(3 + 1)^2 + (-1 - 1)^2 = 16
4^2 + (-2)^2 = 16
16 + 4 = 16
20 = 16
20 is clearly not equal to 16, so we know the point (3, -1) can’t lie on that circle.
Answer:
$38.50
Step-by-step explanation:
$550 x .07 = 38.5