Answer:
7/6
Step-by-step explanation:
6/7 * 7/6= 1
Y = -8x - 5/4......slope here is -8 or -8/1
y = 1/8x + 4/5...slope here is 1/8
what u have here are negative reciprocal slopes....negative reciprocal of a number can be found by flipping the number and changing the sign. So the negative reciprocal of -8/1 is 1/8 (see how I flipped the number and changed the sign)...and when u have negative reciprocal slopes, this means that ur lines are perpendicular.
Answer:
1) f(x)<x+4
f(x)>-x-3
f(x)<5

2)2.5>0+2
2.5<0+3
2.5<0+5

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HOPE IT HELPS
HAVE A GREAT DAY!!
A triangular prisms' formula is: lwh = Length * Width * Height
substitute the variables
L = 21in
W = 15in
H = 17in
21*15*17
= 5,355in
The volume of the figure is: 5,355in^3