Number of irrational roots of x^4+11x^2+18=0

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

Factor the monomial completely 42a3b3

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?