6.

there are 90 kids in a band. 20% of the kids own their own instruments, and the rest of them rent instruments.

a. how many kids own their own instruments?

b. how many kids rent instruments?

c. what percentage of the kids rent their instruments?

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.