Please need answers last attempt

V = 120cm^3, SA = 208cm²

Step-by-step explanation:

V = (area of triangle face)(length)

V = 3(4)(10) = 120

SA = 2(base)(height) + 2(length)(width1) + (length)(width2)

SA = 2(6)(4) + 2(10)(5) + 10(6) = 48 + 100 + 60 = 208

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step-by-step explanation:

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if you was gonna solve for a, a is a   < -12