Can someone correct me? So the question was: Jada earns twice as much money per hour as Diego. Diego earns twice as much money per hour as Lin.

Select all the graphs that could represent how much Jada, Diego, and Lin earn for different amounts of time worked.

And I choose the two graphs with the check marks. It says it's incorrect, but I can't figure out why. Help?

Aquadratic function f(x) has a turning point at (3,-7). what is the turning point of -f(x)?

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.

Which best explains why this triangle is or is not a right triangle ?