6. what is the value of x - 4.5 when x=0.4?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )