What are the roots of the quadratic? a) -3 and 0
b) -3 and 1
c) -1 and 3
d) -1 and -3

)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)

The product of two negative rational numbers is always zero sometimes zero never zero

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.