Answer:
∠ABC= 45°
Step-by-step explanation:
∠ABC= ∠BCD (alt. ∠s, AB//CD)
(2x +15)°= (3x)°
2x +15= 3x
3x-2x= 15 <em>(</em><em>-2x </em><em>on </em><em>both </em><em>sides)</em>
x= 15
Substituting the value of x:
∠ABC
= ∠BCD
= [3(15)]°
= 45°
Answer:
d=1
Step-by-step explanation:

Lets factor the denominator d^2 -2d-8
d^2 - 2d - 8 = (d-4)(d+2)

Now make the denominators same
LCD: (d-4)(d+2)

Denominators are same on both sides
So equate the numerators
-3d +3(d+2) = -2(d-4)
-3d +3d +6 = -2d +8
6 = -2d + 8
subtract 8 on both sides
-2 = -2d
So d=1
The answers r online for that
Answer:
Reflection, Translation, and possibly Rotation
4a+3b-(-2a-3b)
=4a+3b+2a+3b
=6a+6b
=6(a+b)