Answer:
Step-by-step explanation:
Don't use 0 as a substitute for θ. 0 is always 0.
cosθ = -5/(2√15)
secθ = 1/cosθ = -2√15/5
V=(1/4)³
V=1/16 ft³
volume of 4 cubes= (1/16)·4=4/16= 1/4 ft³
Answer:
y=-3x-11
Step-by-step explanation:
y=mx+b
m is slope
b is y-intercept
Yes, x = -24!
Proof:

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