The sum of 12 and the quantity 8 times a number k is equal to 48

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

Sh what is the value of x? ox= 2.25 x = 11.25 ox= x = 22 1 (2x + 10) seo - (6x + 1) -- nie

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of