7. Alternate interior
8. Congruent
9. Work:
6x - 16 = 2x + 40
4x = 56
x = 14
Answer:
7u-21+5u=39 12u-21=39 12u=39+21 19u=60 u=5
Answer:
B
Step-by-step explanation:
Took it
Answer:
infinite solution
Step-by-step explanation:
the y intercept and the slope are the same
Answer:
6 feet 8 inches
Step-by-step explanation:
The mirror ensures that the line of sight makes similar triangles, so ...
x/10 = 4/6
x = 40/6 . . . . feet = 6 2/3 ft = 6 ft 8 in
The mirror is 6 feet 8 inches from the goal.