The only incorrect statement is C)
The athlete was biking between [1,3] and running between [3,6]. The durations of 2 and 3 are not equal.
Answer:
1. x + y = 25
2. x - y = 7
3. x = 16, y = 9
Step-by-step explanation:
(x + y = 25) + (x - y = 7)
2x (the y cancels) = 32
32/2 = 16, x = 16
substitute x in either equation
16 + y = 25
y = 9
Answer:74=18+26+x
×=44+74
X=118
Step-by-step explanation:
Answer:
There are 2 possible answers
r=19
or
r=-37
Step-by-step explanation:
23 plus seven is 30 and then you add the 15 which equals 45