-16 i think is the correct anwser because you take the old number then subtract the new number then divide the old one then multiply by 100
Answer:
4 5
Step-by-step explanation:
4 5 = 45
The measurement of angle b is 128°
6+(-5) is the same as 6-5 because when adding negative 5 to 6 you are basically subtracting a regular 5 from 6. So the + in front of the parenthesis makes the 5 a positive: 6+(-5) —— 6-5
