HELP! i know it looks easy but im not getting it. Select 2 strategies that we can use to subtract 563-192. Choose 2 answers: (Choice A) Add 100+90+210 (Choice B) Evaluate (563-200)+8 (Choice C) Subtract 571-200.

4. find the geometric mean of 4 and 12. 24 8

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle