Find the annual interest rate

I = $24, P = $400, t = 2 years

Jackie purchased 8 noodles for 3:27 what is the unit price per cup of noodles round to the nearest cent

What is (3.5*10^4) ^2 in scientific notation with 4 significant digits?

What is the inverse of f (x) = (3x+2) / (5x-2) ?

Marta rides 8 miles in 80 minutes. What is Marta's unit rate in minutes per mile?

A mode; car is 12 inches long. using a scale of 3 inches=4 feet. how long is the actual car.

If X=5 when y=12 find x when y=30

What is the solution of 4m-5 (3m-10) = 126

Reggie is surveying a plot of land in the shape of a rectangle. The area of the land is 73,000 square meters. If the width of the plot of land is 5,025 meters, how long is the plot of land? round your answer to the nearest hundredth of a unit.

What is the solution for this equqtion? 1/2z=10

Four couples have reserved seats in a row for a concert. In how many different ways can they be seated if (a) there are no seating restrictions? (b) the two members of each couple wish to sit together?