Determain whether the ratios are equivalent. show work. "11 out of 14 students biked to school, 22 out of 28 students biked to school " i need

What is the solution to the equation 9^(x+1) =27

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Select the quadratic that has root x = 8 and x = -5