What is the following quotient?

StartFraction 2 Over StartRoot 13 EndRoot + StartRoot 11 EndRoot EndFraction
StartRoot 13 EndRoot minus 2 StartRoot 11 EndRoot
StartFraction StartRoot 13 EndRoot + StartRoot 11 EndRoot Over 6 EndFraction
StartFraction StartRoot 13 EndRoot + STartRoot 11 EndRoot Over 12 EndFraction
StartRoot 13 EndRoot minus StartRoot 11 EndRoot

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?

Which statement about 6x2 + 7x – 10 is true?

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.