What is the answer for
a-3=9

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

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.