Which equation represents a proportional relationship that has a constant of proportionality equal to –10?

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q

Which of the following values in the set below will make the equation 5x + 6 = 6 true? (only input the number.) {0, 1, 2, 3, 4}