WILL MARK BRAINLIEST IF CORRECT Which is the first step in the seafloor spreading process?

A crack forms in oceanic crust.
Volcanoes erupt under the ocean.
Molten rock rises up through the crust.
Dense plates are subducted under less dense plates.

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