Subtract -7x^2+4x+2 from x^2-3

What is the best reason for jacinta to have a savings account in addition to a checking account

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

Plz ( true - false) all triangles have interior angles whose measure sum to 90.