Answer:
x=11 and the number of solutions is one solution
Step-by-step explanation:
The square root of 121 is 11. There are no other solutions, I believe.
A) rectangle
if you cut it horizontally, you will get a rectangle
if you cut it vertically you will get a triangle
Answer:
Step-by-step explanation:
2nd last
Answer:
X=5
Step-by-step explanation:
9(5)-15=30
Answer:
width: 7.5
length: 22.5
Step-by-step explanation:
width: x
length: 3x
Perimeter = 2L + 2W
60 = 2(3x) + 2x
60 = 6x + 2x
60 = 8x
x = 7.5
width: x = 7.5
length: 3x = 3(7.5) = 22.5
