I am sorry but what level is this
Answer:
it matters how many colors are there
2n-5=7
Twice a number, n, is shown by multiply two and n. Then, you subtract this amount by five.
You would do the ((2 x 3.14) divided by four) x 3 To get the answer I will explain it if it’s right
Answer:

Step-by-step explanation:

All we can do here is combine like terms (add those that have the same the same exponent)

Good luck!