In which of the following expressions is the coefficient of term “x” 1? *
a) x² + 3x + 5
b) 2x² - x + 7
c) 2x² + 4x - 9
d) 3x² + x + 10

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?