Which of these expressions have a value that is a real number? Choose all that are correct. A
B
С
-2i (6 + 2i)
6i (6 – 21)
(6 + 2i) + (6 – 21)
(6 – 2i) – (6+21)
(6 – 2i) (6 – 2i)
(6 + 2i) (6 – 2i)

your question is incomplete, write all the numbers in the sequence that it tells you.  

step-by-step explanation:

jfkc

step-by-step explanation:

jhcxzbfzc

look at the picture i have filled out a table for it. hope this .

the answer is:

the lateral area is equal to

to find the lateral area of the square pyramid, first we need to find the perimeter of the base, and then, find the lateral area using the following formulas:

where,

s, is the base length

slant height, is the height of a the side of the pyramid

we are given:

now, calculating the perimeter of the base, we have:

then, calculating the lateral area:

hence, we have that the lateral area is equal to

have a nice day!