Find the magnitude of the vector from the origin to (8,-6) and write the vector as the sum of unit vectors.

a. 12, 8i + 6j
b. 10, 8i + 6j
c. 12, 8i -6j
d. 10 8i-6j

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Graph the equationy= x+3[tex]y = x + 3[/tex]