Answer:
6x
Step-by-step explanation:
4x² - 8x + 8 - x² + 2x - 4 - 3x² + <u>6x</u> = 4
Answer:5
Step-by-step explanation:y equal 5
Answer:
5a
Step-by-step explanation:
u add the 3 plus 2 then add the a
The half-life of the radioactive substance is 67.95 hours.
9•27+2•31-28= ? Is that what you are asking?