Jeremy is taking a survey of people walking through the park. His random sample is from 18 people. If there are a total of 90 people in the park what percent did Jeremy survey

c

step-by-step explanation:

thats not a system of equations, that is a solution

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft

the answer is -1 for this question

step-by-step explanation: