Using the activity series provided. Which reactants will form products? Na > Mg > Al > Mn > Zn > Cr> Fe > Cd > Co > Ni > Sn > Pb > H > Sb > Bi > Cu > Ag
O Ag +NaNO3 →
O Fe + A1203 →
Ni + NaCl →
O Fe + Cu(NO3)2 →

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Prove that quadrilateral is a rhombus.

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv