Let X represent the number of children in a Canadian household. The probability distribution of X is: x 1 2 3 4 p(x) 0.30 0.35 0.20 0.15 What is the expected number of children in a randomly selected Canadian household? Group of answer choices none of the other answers are correct 2.6 2.2 2.5

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.