Parker plans to buy boxes of tissues at $12 each and bowls at $4 each for his restaurant. 1)Write an algebraic expression to find the total cost of the tools if Parker buys x boxes of tissues and y bowls. 2)What is the total cost of Parker’s purchase if x=6 and y=15?

12x+4y=132

Step-by-step explanation:

Just substitute the numbers in then substitute the others in, 12 times 6 and 4 times 15 then add the two together

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

is there supposed to be a diagram or a graph for this one? ?

step-by-step explanation: