Answer:
33.75
Step-by-step explanation:
12.3 -(-21.45)
12.3 + 21.45 (<em>because</em><em> </em><em>minus </em><em>of </em><em>minus </em><em>becomes</em><em> </em><em>plus)</em>
33.75
You can download this app called Symbolab but the answer is -144xy^2
<h3>
<u>Answer:</u></h3>
x = 12°
<h3>
<u>Step-by-step explanation:</u></h3>
Since both lines are parallel.
Using alternate angle property!
= > Angle A = Angle B
= > 5 x - 15 = 2 x + 21
= > 5 x - 2 x = 21 + 15
= > 3 x = 36
= > x = 12
Therefore, the value of x is 12°.