You're sitting on the ledge of a wall that is 300 feet away from a building. You have to look up 60 degrees to see the top of the building and down 15 degrees to see the
bottom of the building. How tall is the building?

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.

Write the factored form of this trinomial 9x^2+18x-7