Which of these values represents the longest period of time 1) 35,000 milliseconds 2) 350 seconds 3) 35 minutes 4) 0.35 hours

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?

How do you write 0.5% as a fraction

7x^2-9x+5=0 find the discriminant and number of real solutions