9. Mary is running at a pace where it takes him 8 minutes to run one mile. Let T represent the time that Mary has run, in minutes, and let D represent the distance he has run, in miles. a-How many minutes will it take Mary to run 5 miles at this rate?

b- Write a linear equation in two variables that represents how many miles Mary walked after T minutes.​

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187

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?

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish