The area of the rectangle is 
Explanation:
One side of the rectangle is 
The another side of the rectangle is 
The formula to find the area of the rectangle is length × width
Area = length × width
Substituting the values, we have,

Thus, the area of the rectangle is 
Exactly 29.7, but you can't have 7/10 of a student so you round to 30. So 30 students are playing a music instrument because 330 times 0.09 is about 30
You cannot simplify 30/q anymore
Answer:
Step-by-step explanation:
the triangle with 9 as a side is a 45,45, 90 triangle. so there for x and 9 are congruent. Thus. x=9