PLZ HELP ME I NEED THE ANSWER IDK WHAT IT IS San and Francisco want to help cut back on the large levels of air pollution in their city. Which of the following steps should they take?

A. use public transportation systems less often

B. drive her personal car as often as possible to help raise emissions

C. try to use her city’s bus system more often

D. purchase a less fuel-efficient vehicle

Can someone me with this plz? ! i'm putting 20 points on it!

How can studying economics us make better choices about how to use scare resources

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