Y is inversely proportional to x.
when y=7, x=9
work out an equation that links y and x

Use the foil method to find (z− 5/3 )(z− 2/3 )

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

Which statements about these triangles is true