Select the correct answer from each drop-down menu. Simplify the following polynomial expression
(3x^2 – 5 - 7) – (5x^2 - 41 - 2) + (5 + 3)(+ + 2)
The polynomial simplifies to an expression that is a BLANK, BLANK
with a degree of BLANK

What signals you that factoring by grouping is the best method to use when factoring a problem?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.