Hamilton received a 75 on his algebra exam. the professor is allowing students to take a 7-question bonus quiz to improve their algebra exam score. each question answered correctly on the bonus quiz will add 3 points to the exam score. hamilton needs to receive at least a 90 on his exam score in order to make an "a" for the semester. if x represents the number of questions answered correctly on the bonus quiz, which of the following inequalities symbolizes this situation? a. 3x + 75 < 90 b. 7x + 75 > 90 c. 3x + 75 > 90 d. 7x + 75 < 90