12. To solve the equation 3x - 7 - - 2. Robert says the first step to solve is to subtract 7 from both sides. Evelyn says the first step is to add 7 to both sides. Who is correct? Justify your answer.​

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Which of the following describes the symmetry of the graph of y = x3?