35/x-3=4/x-7 I just don’t understand this I know it’s factoring

Which layer surrounds the center of the earth? a: crust b: core c: mantle

Based on current rates the earths human population is expected to grow how much by 2050

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