Which is an example of quantitative investment research?

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.

Asap will give brainiest to first person to answer what is the measure of angle b in the triangle? enter your answer in the box. m∠b=

22 points algebra 1//sum and product of rational and irrational numbers. dont have to do all 4 if could much : )) write an example: 1) how the product of two identical irrational numbers can be a rational number. 2) how the product of two different irrational numbers can be a rational number. 3) write a quotient of intergers that is not a real number. 4) is the set of positive irrational numbers closed for the operation of division? if not give a counter example.