Answer asap

which relation is a function?

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?