The expression 2.4x−3.9y−1.2x+ay is equivalent to 1.2x+1.2y. What is the value of a?

Enter your answer as a decimal, like this: 42.5

The difference between tax advoidance and tax evasion

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base