Two lines in a plane are either parallel or perpendicular true of false

Find the value of the cosine for angle a

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)