Simplify:
y^2 - 16 / 2y + 6 * y + 3 / y - 4

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

The angle of elevation from point a to the top of a cliff is 38 degrees . if point a is 80 feet from the base of the cliff , how high is the cliff ?

Aresearch study is done to find the average age of all u. s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample