Fiona is 7 years older than Gavin. Alex is 12 years younger than Gavin. If the total age is 73 how old is the youngest of them?

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?

How far could you drive on 50 gallons of gas

The function models the number of accidents