How many solutions does this linear system have?
Y=-1/2x +4x+2y=-8

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?