A line is perpendicular to y = 4x + 5 and intersects the point (1, 3).
Find the equation for this line.
y - [?] = f(x- -1)
Hint: Use the Point-Slope Form:
y - y1 = m(x - X1)
Enter

If eh = hg and hg=16, find the diameter of k

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?

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