What do you do when you must solve a system of equations by elimination but all of the coefficients on the variables are different? what is important to remember when doing this?

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Robert has 78 tomato lants and 56 cucumber plants .he wants to plant them in rows that only have one type of plant in each row with the same number of plants in each row. how many plants should he put in each row and how many rows of each type of plant will he need

What is the approximate mark up percentage rate before m equals $1740 marked up from p equals $19,422