There were 18 brushes hanging from display racks. There were 3 brushes hanging from each rack. How many racks were there?

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.

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air