1) Which of the following numbers is a pure imaginary number? A: -32
B: 45
C: 2+8i
D: -5i

1B) which of the following numbers is NOT an imaginary number?
A: 24+7i
B: 45i
C: 62
D: -4+5i

step-by-step explanation:

answer:

125 yards

explanation:

75+50=125. that is my answer

0.85% : )

step-by-step explanation:

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!