This cold river of air travels from west to east in the northern hemisphere. in winter, it dips south to bring cooler air to most parts of the united states. this is the jet stream.
a) polar
b) hadley
c) equatorial
d) subtropical

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