Answer:
40
Step-by-step explanation:
18+12+10
Answer: h=1288
Step-by-step explanation: picture
The answer is 3x+5=7
Is x=4
The answer is A. because this would count as subtraction anyways.
Answer:
-10 -4i
Step-by-step explanation:
To subtract complex numbers, subtract the real parts.
-3 -7 = -10
and then the complex parts.
5i-9i = -4i
(-3 + 5i) - (7 + 9i) = -10 -4i