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I got D

Step-by-step explanations

I did y2-y1/x2-x1

I did 40-25/5-2 which will equal to 15/3=5

then I did 25=2x+b

25=2(5)+b

25=10+b

subtract 10

then you will get 15

So it will be y=5x+15

if I am wrong please correct me thanks :)

the answer is 40.

proof:

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!