Does anyone know how to do this I cant find a video that's specifically about it STU=QRU
PICTURE INCLUDED

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

Explain how you can use the associative property to evaluate (7x50)x4.

Find the area of the triangle shown 3 by 6