If 12 blocks arent shaded and 13 are whats the percentage of the shaded ones

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer