It looks like the first 3 are because they all are blank x2.5 but the last one would be 8x2.5=20..
Answer:
(- 5+4i)
Step-by-step explanation:
Answer: A 4/16
Step-by-step explanation:
4/16 = 1/4
5/20 = 1/4
Answer:
The angle = 144 degrees.
Step-by-step explanation:
Look at it this way (it is a proportion question)
30 people would require a pie chart made of a full circle (360 degrees)
12 people would require x part of the pie chart.
30/360 = 12 / x Cross multiply
30x = 360 * 12 Simplify the right
30x = 4320 Divide by 30
30x/30 = 4320/20
x = 144 Answer