Answer:a point or a line
Step-by-step explanation:
Answer:
-3/4 slope
Step-by-step explanation:
y = 3/4 x +2 has a slope of 3/4
Perpendicular lines intersect.
So the slope of the perpendicular line must be opposite.
Given that

, it has PDF

and thus CDF

The 25th percentile is the value

such that

. We have
Answer:
5 seconds.
Step-by-step explanation:
Make an equation.
Time in air = x
Time in water = 12 - x
16x + 36 - 3x = 127
13x = 91
x = 7
12 - 7 = 5
Answer:
x= -30
Step-by-step explanation: