Answer:
x^3-7
Step-by-step explanation:
The cube of a number means that it is to the power of 3 and 7 is subtracted is just the number cubed and then minus 7.
Answer:
the value of x is 150° because all are 150°
317.832
318
The exact answer is being written as a decimal. The rounded is answer will be 318. I hope this answers your question.