I'm confused I think it might be a one to one function I'm not sure. But I just need to know if its a function and if it is what kind.

This question consists of 2 parts, a and b. marco got a quotient of 70 when he divided 49 by 0.07. part a what is the correct answer to this problem? part b what mistake did marco make? you!

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing