(a)Find the point at which the given lines intersect. r = 2, 3, 0 + t(3, −3, 2)

r = (5, 0, 2) + s(−3, 3, 0)

(x, y, z) =

(b)Find an equation of the plane that contains these lines.

15 points ! ~ see if you know the answer to both you!

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

The value of cos 30° is the same as which of the following?