Suppose that the correlation between palm size and verbal ability is .55, between palm size and age is .70, and between age and verbal ability is .80. What is the correlation between palm size and...

Suppose that the correlation between palm size and verbal ability is .55, between palm size and age is .70, and between age and verbal ability is .80. What is the correlation between palm size and verbal ability after partaking out age? How might one label the zero-order correlation between palm size and verbal ability?