What is the value of z in the equation 2z + 6 = -4?
5
01
0-1
0-5

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price