Answer:
CED = 117
Step-by-step explanation:
21x +21 = 7x +49
21x - 7x = 49 - 21
14x = 28
x = 28/14
x = 2
7x + 49
=7(2) + 49
=14 + 49
=63
180 -63 = 117
CED= 117
0.9 is 0.9278 rounded to the nearest tenth. Hope this helps!

At this point in time, you can use a technique called cross-mutiplication, where you say that

, and

at this point in time, you can devide each side by 8 and solve
Answer:
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Step-by-step explanation:
ryref w4trfd ws 3wqrs
Answer:
17
Step-by-step explanation:
f(x) = x + 8
f(9) = 9 + 8
= 17