The keyboard of a piano is made up of octaves with 5 black keys in each octave and one extra black key. there are 36 black keys on a piano. how many full octaves are there on a piano?

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Solve this problem! extra ! 3025/5.5 = a/90.75