If x represents the number of hours Jackie works, which of the following representations could NOT be used to solve the problem?

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?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

What expression is equivalent to 42x-56y