A person is standing 130 feet away from the foot of a tall building must look up at an angle of 30° to see the top of the building. There is a radio antenna on the top of the building. The angle of elevation of the top of the radio is antenna is 45°. What is the height of the antenna?

What is the lcm of 16 and 40 ? 24 and 40 ?

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense