11. George found this table in a stack of papers. What is the unit rate of change? (hint* look where time (x) is at 1!)
Time in hours
Total Cost in
dollars
50
a. $25
0
1
75
b. $50
c. $75
d. $100
2
100
125
3
5
175

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.