Answer:
nope
Step-by-step explanation:
Apply dot product which must = 0 for orthogonality.
In this case,
-(3)(2) + (-2)(-2) + (-3)(1) + (1)(4) = -1.
for A multiply 85 and 30. then subtract 30 by the product, this gives you the sale price. For B you do the same thing but you multiply 18 and 85. then 18 subtracted by the product which gives you the sale price.
Answer:
D
Step-by-step explanation: