Given: Vector P =<9,9>
Vector Q =< -7,0>
Vector B =< -2,5 >
Vector D =< -10, -3>
Find < P+D > • .

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

I’m still confused on how to work the percentages

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?