Answer:
4 + 5i
Step-by-step explanation:
To calculate this you have to combine the like terms until they cannot be combined any further:
7 + 10i + 4 - 10i - (7 - 5i)
11 + 0i - 7 - 5i
7 & 4 are liked terms so add them together + subtract 10i and 10i
4 + 5i <--- Final answer
Hope this helps!
Answer:
400
Step-by-step explanation:
2,800/12 =233.3333333333 and that would leave 400
Answer:
10/7
Step-by-step explanation:
5*2/7=10/7
(-3,-2) is in the shaded region
(-7,5) is not in the shaded region ( is on a dotted line which is not considered in the region)
(2,-5) is not in the shaded region (it is in the region for 1 equation but not for both equations)
(-14,6) is in the shaded region