The following is what type of sampling: assign every student at coggins middle school a number, then use a random number generator to select the numbers. simple random cluster systematic convenience

If m∠c = 147°, determine m∠e. 147° 57° 33° 180°

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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?