1) b (think commutative and associative properties) , 2) a (think that minus a negative equals positive)
Answer:
there is no solution
Step-by-step explanation:
1st switch sides: -x2+2x+1=0
2nd add similar elements: -2x + 2x = 0
1 = 0
Thus, this equation has no solution
hope i helped :)
Answer:
<B=<D
Step-by-step explanation:
This is becasue angle B is 90 degrees while angle D is 29 degrees.
X=3
okay so Angles YXZ and YZX are congruent.
180 = 136 + 2(10x-8).
180-136 = 2(10x-8).
44 = 2(10x-8).
44/2 = 10x-8.
22=10x-8.
22+8 = 10x.
30 = 10x.
3 = x.
Answer:

Step-by-step explanation:
