Last one, i still didn't understand it

The areas of the squares adjacent to two sides of a right triangle are shown below. 3 3 units 2 33 units 2 4 4 units 2 44 units 2 ? ? what is the area of the square adjacent to the third side of the triangle?

Answer this question only if you know the 30 points and

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?