Write a fraction in which the numerator and denominator are both greater than 9. Then write the fraction in simplest form

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What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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?

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?