What are the measures of Angles a, b, and c? Show your work and explain your answers. ( For 15 points )

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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.

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?