Class are the number of observations for each class of a frequency distribution using grouped quantitative data.

What is the product? (x2+3y+7) [yy+1)

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum