How do you turn the decimal 0.354 to a percentage

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

The triangles are similar. what is the value of x? enter your answer in the box.

In terms of x, find an expression that represents the area of the shaded region. the outer square has side lengths of (x+5) and the inner square has side lengths of (x-2), as shown. area: a1 x + a2 square units submit