Perpendicular vectors:
find v x w if v=5i -4j +4k & w=-6i +3j -2k.
a. 3i-4j-2k
b. -14i-9j-4k
c. 5i +3j -4k
d. -4i -14j -9k
find v x w if v=-3i-4j-8k & w=2i+6j+4k.
a. 12i -2j +3k
b. 8i +12j +32k
c. 32i -4j -10k
d. 10 i -8j +3k
find the cross product < -6, 7, 2> x < 8, 5, -3> . is the resulting vector perpendicular to the given vectors?
a. < -31,-2,-86> ; yes
b. < -37,-2,0> ; no
c. < 0,-86,-37> ; yes
d. < -37, 0, -80> ; no

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x