How does the ocean floor keep track of magnetic fields? A. There are magnets in the ocean floor.

B. Basalt is iron-rich and responds to magnetic fields.

C. Being underwater makes the rocks respond to magnetic fields.

D. All rocks act like magnets.

What statement is true? 2x^2-9x+2=-1

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.

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?