Does 3(x + 4) = 3x + 12 have a solution

Which of the following is the rational exponent expression of 6 root f

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

What is the value of f(x) = 2.2 for f(-2)?