Define a function t : r3 -> r2 by
t(x; y; z) = (x + y + z; x + 2y-3z):
(1) show that t is a linear transformation.
(2) find all vectors in the kernel of t.
(3) show that t is onto.
(4) find the matrix representation of t relative to the standard basis
of r3 and r2.

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

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?