Identify one of the key external difference between vertebrates and invertebrates. a) vertebrates are always radial symmetrical. b) invertebrates are always bilaterally symmetrical. c) invertebrates are always bilaterally symmetrical, while vertebrates could show either bilateral or radial symmetry. eliminate d) vertebrates are always bilaterally symmetrical, while invertebrates could show either bilateral or radial symmetry.

Question 51 ptssolve. assume the exercise describes a linear relationship.marty's tee shirt & jacket company is to produce a new line of jackets with a embroidery of atpvtenpoeyiliceorsuit ut itoare fixed costs of $59 u to set ud for production, andvariable costs of $39 per jacket. write an equation that can be used to determine the total costencountered by marty's company in producing x jackets. use the equation to find the total cost ofproducing 50 jackets.$2520s2532o $2540s2552