Answer:
the first one, QPN and OPS
Explanation:
they're intersecting and opposites
hope that helped :)
Answer:
2x(2x-1)
Step-by-step explanation:

Answer:
Complementary angles are two angles that have a sum of 90°.
Supplementary angles are two angles that have a sum of 180°.
A ABC BCD SUPP 90+90=180
B BCA ACD COMPL 45+45=90
C BCA CDA NEITHER 45+90=135
D ABC CDA SUPP 90+90=180
E BAC CAD COMPL 45+45=90
Step-by-step explanation:
Answer: x^2+8x+16
Step-by-step explanation:
Following (a+b)^2=a^2+2ab+b^2,
(x+4)^2=x^2+2(4x)+(4)^2
x^2+8x+16
Answer:
4 and 3/2
Step-by-step explanation:

