When solving the equation 2x+3+7)=25+9x, Stacy wrote 3x + 7) = 25+7x as her first step. Which property justifies Stacy's first step? (1) Commutative Property of Addition
(2) Addition Property of equality
(3) Distributive Property of Multiplication over addition
(14) Multiplication Property of equality

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол