Please show me how to solve for z
8-12z=92

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar