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SAT scores were originally scales so that the scores for each section were approximately normally distributed with a mean of 500 and a standard deviation of 100. What would be the z-score corresponding to a student who gets a section score of 680? a.

What algebraic property is demonstrated in the equation below? 5 + 3 (2x - 7) = 5 + 6x - 21

Simplify: - 3 (y 2) 2 - 5 6y

Three numbers added together total 180. The second number is twice the first, and the third is three times the first. Find each number.

Write10:15 pm in 24 hour time

Natalie has a choice of three breads, five choices of meats, and four choices of cheese to make a sandwich. how many different sandwiches can she make?

What is the area of this triangle 12 inches and 3 inches

Write as an expression and simplify: the tripled product of 6a and b^2

What does n equals when 10 = - 8+n divided by 4

What is 1.5 times 2/3 equal?