The perimeter of a rectangle is 404040 units. The length of the rectangle, \ellℓell, is 777 units.

Acircle has a circumference of 7.850 units. what is its radius?

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2