BRAINLIEST, and PLEASE show your work. Solve for y using the formula y = x2 (2+4); when x = 4

This is so hard and it’s for a test

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?

Find the values of the variables and the lengths of the sides of this kite.