The difference between two whole numbers is 8. Twice the smaller number is 4 more than the larger number. What is the smaller number?
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smaller number =
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54°F Haze

5(-9w) put expression in distributive property

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?