Gretchen lives in florida, for the current temperature 69°f and rising at a rate of 2°f per hour. she's talking on the phone to her friend in indiana where the temperature is now 84°f and falling at a rate of 3°f per hour.
a.) if the temperature continue changing at the same rates, how many hours would gretchen and her friend have to talk before the temperature become equal?
b.) what will the temperature be?

Find the perimeter of the figure shown above. a. 18 yds c. 20 yds b. 10 yds d. 24 yds select the best answer from the choices provided

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?

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !