What expression must the center cell of the table below contain so that the sums of each row and each column are equivalent? -4 9x 2x
7x ? -3x
4x -5x 8x

Write the sentence as an equation. z plus 372 is equal to 160

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?

What is the best estimate of the length of a football