Find any values of x that must be excluded from the domain. this part really confuses me.

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

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.