Answer:
7+22i
Step-by-step explanation:
Since this is like a binomial, you have to apply the foil method
(-2+3i)(4-5i)=-8+10i+12i+15
(the 15 is the product of 3i*-5i)
Now, you combine like terms
-8+15=7
10i+12i=22i
so the expression in a+bi form is 7+22i
Answer:
mean=median
Step-by-step explanation:
mean is 4
median is 4
mode is 4
mean=median
Answer:
angle 3
Step-by-step explanation:
because a supplementary angle is an angle that equals 180 or just a straight line.
Answer:
16 degrees
Step-by-step explanation:
Add 20 to -4
-4 + 20
= 16
So, the temperature at noon was 16 degrees