Determine whether the vectors u and v are parallel, orthogonal, or neither.
u = (5,4), v = (-10,9)
a. Neither
c. Orthogonal
b. Parallel

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

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