Joshua has to earn more than 92 points on the state test in order to qualify for an academic scholarship. Each question is worth 4 points, and the test has a total of 30 questions. Let x represent the number of test questions.Which of the following inequalities can be solved to determine the number of questions Joshua must answer correctly?
a. 4x < 30
b. 4x < 92
c. 4x > 30
d. 4x > 92