Can someone please help me with this question :,)

4. a spring scale is constructed so that each 0.10-n increment is separated by 0.50 cm. what spring constant is necessary for the scale to be accurate? -1.0n/cm -0.10n/cm -9.8 n/cm -0.20n/cm

Which function has the same domain as y=2x

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.