At a video store, the cost of 3 DVDs, 2 video games, and 4 snack packs is $130. The cost of 2 DVDs, 1 video game, and 5 snack packs is $105. The cost of 3 DVDs, 3 video games, and 3 snack packs is $135. Find the cost of each item. Write a system of equations to represent the situation, and solve using matrices. Write the matrix equation to show what is being entered into the calculator.

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

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