∠x and ∠ y are supplementary angles. ∠y measures 57°.what is the measure of ∠x?

options:

123
45
140
33

When only separate discreet points are graphed it is called?

Kelli swam upstream for some distance in a hour. she then swam downstream the same river for the same distance in only 6 minutes. if the river flows at 5km/hr, how fast can kelli swim in still water?

Whats the theoretical probability of popping a polka dot balloon? express your answer as a fraction, decimal and percent solid 15 polka dot 5 striped 17 plzz me due tomorrow