Change 2x+y=-4 into slope-intercept form with steps

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Me i’m stuck on all these questions besides the two bottom ones