1. inches to feet /* This program will estimate height of person */ /* based on femur and humerus length */ #include < stdio.h > #include < math.h > int main( void ) { /* Declare variables. */ double femur, femur_ht_f, femur_ht_m, humerus, humerus_ht_f, humerus_ht_m, femf,humf,femm,humm; /* Get user input from the keyboard. */ printf( "Enter Values in Inches. \n" ); printf( "Enter femur length: \n" ); scanf( "%lf" ,&femur); printf( "Enter humerus length: \n" ); scanf( "%lf" ,&humerus); /* Compute height estimates. */ femur_ht_f = femur* 1.94 + 28.7 ; femur_ht_m = femur* 1.88 + 32 ; humerus_ht_f = humerus* 2.8 + 28.2 ; humerus_ht_m = humerus* 2.9 + 27.9 ; femf=(femur_ht_f/ 12 ); femm=(femur_ht_m/ 12 ); humf=(humerus_ht_f/ 12 ); humm=(humerus_ht_m/ 12 ); /* Print height estimates. */ printf( "\nHeight Estimates in Feet \n" ); printf( "Femur F...