#7
a- the relation (length volume) is a function, but the relation (volume, length) is not
b- the relation (volume, length) is a function, but the relation (length, volume) is not.
c- both the relation (length volume) and the relation (volume length) are functions
d- neither the relation (length, volume) nor the relation (volume, length) is a function

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

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?