Give the equation in standard form of the ellipse centered at the right origin with a focus at (0,3), and a vertex at (0,8)

Jonathan puts $400 in a bank account. each year the account earns 6% simple interest. how much interest will be earned in 5 years?

Plzzzz answer i need this done plzzz plzz plzz plzzz (it's worth 30 points)

Alex is on a diet to lose some weight. he is losing weight at a rate of 2 pounds per week. after 6 weeks, he weighs 205 pounds. write and solve a linear equation to find how many weeks it will take alex to reach his target weight of 175 pounds.