What information do you need to know to write an equation relating two quantities that have a proportional relationship? o constant of proportionality and variable to represent other quantities
O equivalent ratios and units
constant of proportionality and equivalent ratios
variable to represent unknown numbers
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Find the vertex of the function given below y=x^2-6x+1

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.

3x + 4y = 5 x- 3y = -7 solve by substitution