If: 5x + 14 = −7 ,then: 5x + 14 − 14 = −7 − 14 this is an example of

a. the additive identity
b. the multiplicative identity
c. the additive inverse

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

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?