If two linear equations have one solution, then the... A- Slopes are the same but the y-intercepts are different
B- Slopes are different
C- Slopes are the same and the y-intercepts are the same

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?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?