Using DeCartes Rule, state the number of positive, negative, and complex roots of each function. h(x)=5x³+x²-x+5

Which expression is equivalent to 3^3 + 2^2?

What is x and y intercepts for y=x+7

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?