X(x-20)=12000
x^2 - 20x = 12000
x^2 - 20x - 12000 = 0
(x - 120)(x + 100) = 0
x = -100, 120
so the width is 120 ft
The answer is D) They do not intersect and are not coplanar.
Hope this helps ;)
Answer:
67 and -1
Step-by-step explanation:
You always multiply first so its 7+64-4 and that becomes 67
You have to distribute first so the problem would be 5-21+15 which is -1
Answer:
B
the middle one
Step-by-step explanation:
Step-by-step explanation:
tan7π/4
=tan(2π-π/4)
=-tanπ/4
= -1
its reference angle is 315°