Let W be the set of all vectors of the form [Start 4 By 1 Matrix 1st Row 1st Column 2 s plus 3 t 2nd Row 1st Column 3 s 3rd Row 1st Column 3 s minus 2 t 4st Row 1st Column 3 t EndMatrix ]. Show that W is a subspace of set of real numbers R Superscript 4 by finding vectors u and v such that WequalsSpan{u, v}.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?