Answer:

Step-by-step explanation:

Answer:
6 x -10^4 or 6.3718 x -10^4
Step-by-step explanation:
by single digit it is 6 but anyother it is the other one
-2x -9y = -25
-(-4x -9y =-23)
2x = -2
x = -1
-2(-1) -9y = -25
2 - 9y = -25
-9y = -25 -2
-9y = -27
y = 3
(-1,3)
Answer:
252 in²
Step-by-step explanation:
Recall area of regular polygon is A= (1/2)*(perimeter)*(apothem)
Area = (1/2)*(63)*(7)
= 252 in²
The first statement is false. A square DOES have 4 right angles.