The other angle would be 118°
The three angles of a triangle must add up to 180°.
That would be -20. a negative divided by a negative number is positive, positive divided by negative is negative bc even numbers of negatives make it positive. and ofc 20 x 5 = 100, hence the ‘20’
Answer:
Step-by-step explanation:
ns +sb = 5.4 cm
sb = en so en can be plugged in for sb
therefor es = 5.4

Negative multiply negative = Positive
Negative multiply positive = negative

Thus the answer is -4a + 16b - 12c - 12d.