Find the value of the variable a^2=1/25

The first and second steps to solve the equation 3x/5 + 5 = 20.are shown below 3x/5 + 5 - 5 = 20 - 5 3x/5 (5/3) = 15 (5/3)a. addition property of equality b. subtraction property of equalityc. multiplication property of equalityd. division property of equality

What is the value of 4x to the third +4x if x is 4

You have 3.4 gigabytes available on your mp3 player. each song is about 0.004 gigabyte. how many more songs can you download onto your mp3 player?