Answer:
30
Step-by-step explanation:
60=whole
60/2=30
Answer:
x^2-4x-12
Step-by-step explanation:
(x-6)(x+2)=x^2-6x+2x-12=x^2-4x-12
Answer:
B and E
Step-by-step explanation:
perpendicular sides mean they will equal 90 degrees... so all rectangles and squares are perpendicular- a 90 degree triangle also is perpendicular. The Equatorial and the Acute triangle do not have 90 degree angles
Answer:
Well isn't anyone able to write?
Half of 126 is 63 because 63+63=126 and 126/2=63