
$=(a^2-10a)-(b^2+6b) +16$
$=[(a^2-2(5)a+25)-25]-[(b^2+2(3)b+9)-9]+16$
$=(a-5)^2-25-(b+3)^2+9+16$
$=(a-5)^2-(b+3)^2$
Answer:
yes and no,depends.
parrallel cant make any angles exept 180-straight line angle.
Answer:
-1.5
Step-by-step explanation:
3/8 is 0.375 in decimal form
Answer:
mb = 30
Step-by-step explanation:
i got it from me school
The acute angle inside the triangle is 57 degrees. The one labeled “1” is 123 degrees.