Solve the matrix equation ax = 0. (if there is no solution, enter no solution. If the system has an infinite number of solutions, express x1, x2, and x3 in terms of the parameter t. ).

What is a step you should take when asking someone to write a letter of recommendation for you? make sure that person only has one copy of the lettermake sure the person hands you the letter in an unsealed envelopeyou should sign the back of the envelopeyou should the person who wrote the letter this is for sat prep (basic skills sat)