Which expression is equivalent to |x| > 9

a. x > - 9 and x < 9

b. x < -9 or m > 9

c. x > - 9 or x < 9

d. x < - 9 and x > 9

In a certain pentagon, the interior angles are a, b,c, d,e where a, b,c, d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?