Which pair of points represent a reflection in the y-axis? A(-4,-5) and A(-4,-5)
B(-3,-5) and A (3,-5)
C A (7-6) and A (7,6)
D A (1, -2) and A(1,2)

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?