What is 2 3.8 divided by 1 1.4 i need the answer !

3.4a=57.8 what is the the value of a

Graph a sine function whose amplitude is 3, period is 4π , midline is y = 2, and y-intercept is (0, 2) . the graph is not a reflection of the parent function over the x-axis. use the sine tool to graph the function. the first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point.

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?