Answer: 9, 1/20, 9/20
Step-by-step explanation:
1) 9 pieces
2) Size of each pieces:

3) Area of the shaded rectangle:

You use the slope formula, (y2-y1/x2-x1)
Answer:
1,215
Step-by-step explanation:
Because if you think of it it multiplies by 3x so 3x5=? 15! 15x3=? 45! 45x3=? 405! 405x=3? 1,215! 1,215x3=? 3,645! anyways, I can go on and on I hope this answer was right!
Answer:
7
Step-by-step explanation:
Note the factors of each number. Prime numbers are numbers that can only be factored to itself and 1. Note:
Factors of 1:
1
Factors of 3:
1 , 3
Factors of 7:
1 , 7
Factors of 9:
1 , 3 , 9
Factors of 21:
1 , 3 , 7 , 21
Factors of 63:
1 , 3 , 7 , 9 , 21 , 63