Segment OX will be the radius.
YZ will be the tangent.
PQ might be the secant.
Hope this helps :)
7.50 times hours would be her pay then add the bonus x number of bouquets
a = 7.50h +(bn)
Honestly no idea... sorry
Well, it depends on what he's doing. Is he walking, jogging, or running? If he walked at a normal pace for an hour he would burn 415calories.