As a membership fee a health club charges a one time amount of $40 and charges $25 for each month. the total fee after m months is $240. what is the value of m

a runner warms up for ten minutes and then takes seven minutes to run each mile. the total time after r miles is 45 minutes. how many miles are run?

Pls! does anybody know a shortcut for answering these types of questions in the future?

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 the expression as a single natural logarithm. 2 in a - 4 in y