In the diagram below, the radii of the two concentric circles are 3 centimeters and 7 centimeters, respectively What is the area of the shaded region?
А
40pi cm2
41pi cm2
8pi cm
80pi cm

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]