Question Use the discriminant to determine the number of real solutions to the quadratic equation.
-2a^2 – 11a – 10 = 0
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)a smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). what is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)

What is the greater volume 72 quarts or 23 gallons

Ineed me i stuck and i don’t want to get it wrong