Ineed some you if you know how to do it

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

If a suspect is in possession of 20 grams of cocaine how many ounces does he possess what will the charge be

Currently, the largest cruise ship has a tonnage of 225,282 gross tons (gt). which of the following is a reasonable estimate for the tonnage of this cruise ship? a. 2 × 10^5 gt b. 2 × 10^6 gt c. 2 × 10^-5 gt d. 2 × 10^-6 gt