An ellipse has vertices(5,0).(-5, O) and co-vertices (0, 2), (0,
-2). Use the given information to answer the questions about the ellipse

Equation for the calculation double 2 and then add 5

Find the distance between c and d on the number line c=3 and d=11

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?