8.) solve the absolute value equation |2n+15| = 1. one solution is n = -7. what is the other solution? a. n = -14 b. n = 8 c. n = 7 d. none of the above 9.) after isolating the absolute value in the equation 7 -|n + 4| = 15 you would see that there is no solution to this problem a. true b. false

8.) D.

9.) B.

Step-by-step explanation:

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.

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