Raj tried to solve the system below.

what error did raj make?

raj forgot the negative when substituting –15 + 9x for y.

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation