Answer:
± 4i
Step-by-step explanation:
= 
=
×
×
= 4
i → [
= i ]
Answer:
28cm
Step-by-step explanation:
A=a+b
2h=4+10
2·4= 28cm
Answer:
The range of the function y = x2 is all real numbers, y, such that y ≥ 0. In the case of the function y = x2, the domain consists of all real numbers, because there is no number that, when plugged in for x into x2, would create an undefined expression.
Step-by-step explanation:
Answer:
4.) ET is perpendicular to plane BAT
Step-by-step explanation: