How many solutions does the system have? \begin{cases} 6x-y=-1 6x+y=-1 \end{cases}
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6x−y=−1
6x+y=−1

answer:     true

step-by-step explanation:

v = 1/3 a^2h

step-by-step explanation:

if the height is 57.7cm and the height of the slant edge is 18.2cm, then the volume is 1/3 a^2h.

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step-by-step explanation:

(0.2)+(-8)=0.3+-3+0.3m is the equation i guess? ?

step-by-step explanation: