The average weight of 10 boys 70 pounds the youngest boy excluded, the average weich of the
9 remaining boys is 78 0 pounds. What is the weight
in pounds of the youngest boy
A)62
B)68
C)70
D)78
E)87

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides

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!

i think da answer is

d.square root of 3