33. Prove that x X (y X z) = (x • Z)y - (x •y)z. (Hint: First prove the result for the case z = i, then for z= j, and then
for z= k. Finally, prove it for an arbitrary vector
z=z1i + z2j + z3k.]

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

Borat elise said that the expression 2.6 x -1.3 x-4.5 is equivalent to 1.3x -4.5