Answer:
21
Step-by-step explanation (note, the suggested way is not the shortest one):
all the details are in the attached picture.
Answer:
73% of 13% which can also be depicted of .73*.13 which is .0949 which could also be 9.5%
Step-by-step explanation:
Answer:
I do not think you can simplify it any further
Step-by-step explanation:
If you mean 15p squared - 7 q squared
Because they have different variables; p and q cannot be combined unless it is multiplication or division.