1) 4 x 3 + 7 - 6 x 1 + 4 = 20
add parentheses and grouping symbols to each order of operations problem to make the equation true.

answer: get more recipes with 3 magazines for $20! i often use chicken broth instead of water. 3 tablespoons butter, divided; 1/2 cup freshly grated parmigiano-reggiano bring water and salt to a boil in a large saucepan; pour polenta slowly into 5 minutes to thicken; stir and taste for salt before transferring to a serving bowl.

explanation:

step-by-step explanation:

i believe it's a.

i'm not sure on this one, most likely correct.