HE can someone help me with this fr ! Define the variables, write a system and solve.

Mrs. Conner has 4 more students than Mr. Harris. Mrs. Ross has 4 fewer students than Mr. Harris. All together there are 54 students. How many students does each teacher have?

What is the value of 1/3x + 7x when x = 5

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

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