Hudson and know are running a race. Know got a 30 foot head start. Hudson is running at 8.8 feet per second. Know is running at 6.3 feet per second. How many seconds until know and Hudson are at the same place.

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.

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?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers