In a school, there are 5 boys and 1 teacher for every 4 girls. what is the ratio of teachers to students

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)