Answer:42x
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
(3 - 2i)(3 + 2i)
Expand
(9 + 6i - 6i - 4i^2)
Add
(9 - 4i^2)
Convert i^2
i^2 = ()^2 = -1
(9 - 4(-1))
Add
(9 + 4)
= 13
Answer:
D) 5
Step-by-step explanation:
Since 2x = x+5, we have x = 5.
Absolute value= opposite. (positive turns into negative)(negative turns into positive)
Answer:
$180
Step-by-step explanation:
step one 86+4 =90
step two 90×2=180