Answer: 22.7°
Steps:
180 - 157.3 = 22.7
It can't be 5gallons In 10 minutes because gallons is physical time not!
I believe the answer is B! good luck.
The slope is -1 as picking any two points, and finding (y2-y1)/(x2-x1)=-1
I don't see a diagram, but if the portion of the tennis region you are asked to analyze doesn't intersect anywhere else/any other regions pertaining to other sports, wouldn't the sport chosen by these students be solely tennis?