A survey has a margin of error of +/– 3%. What is the range of number of people who will vote for a candidate if 87 of the 110 people said they would vote for the candidate and there are 9570 people in the district?

A. 7342 to 7796
B. 7343 to 7769
C. 7345 to 7796
D. 7242 to 7696

Given: ab ≅ bc and ao ≅ oc ok − angle bisector of ∠boc find: m∠aok

If the equation of a perpendicular bisector of a triangle is y = 2x + 7, what is the slope of the side that it is bisecting? explain how you know. 

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?