Answer:
43°
Step-by-step explanation:
(x + 53)° + (x + 74)° + 73° = 180°
(x + 53 + x + 74)° = 180° - 73°
(2x + 127)° = 107°
2x + 127 = 107
2x = 107 - 127
2x = - 20
x = - 20/2
x = - 10

Answer:
Step-by-step explanation:
combine like terms (6n-4n)=(5-15)
2n=-20
n=20/2
n=10
Answer:
I think it is 441
Step by step explanation:
To make a rectangle you need to pick any two of the vertical lines, and any two of the horizontal lines. So there would be 91 squares and 441 rectangles.
Answer:
Corresponding
Equal, Congruent
Step-by-step explanation:
Answer:
total of 25 students playing football
Step-by-step explanation:
only Football = 2
Football/Baseball = 14
Football/Tennis = 3
All = 6
Add them all: 2 + 14 + 3 + 6