Answer:
x = 3 is an extraneous solution
Step-by-step explanation:
Answer:
x= infinite
Step-by-step explanation:
12+8x-8=8x+4
4+8x=8x+4
Answer:

Step-by-step explanation:
Cosine is the ratio of the side adjacent to the angle and the right triangle hypotenuse.
B =
= 
Answer:
Step-by-step explanation:
Just substitute in 7 for the n.
30-4(7)
30-28
2
The 7th term in the sequence is 2.
(please give brainliest?)
Answer: 11. Is A
Step-by-step explanation: