3. ages in 2005, 24.8% of all americans
were under 18 years old. rhonda
conducts a survey of the ages of
students in eleventh grade at her school.
on november 1, she finds the average
age is 200 months. she also finds that
two-thirds of the students are within
6 months of the average age. write and
solve an equation to determine the age
limits for this group of students. how
many months will it be until the first of
these students turn 18?

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

step-by-step explanation: 4 cause 2+2=4