Valerie has 10 CDs in her music case. Seven of the CDs are pop music CDs. What is this amount written as a decimal?

0.7

Step-by-step explanation:

Valerie has 10 CDs total, and 7 of them are pop music.  So of the CD's are pop music, which amounts to 0.7.

step-by-step explanation:

the answer is 128

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.