I'm in 5th grade and need help with and ​

Which of the following represents the factorization of the trinomial below? x^2+7x-30

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?

The number of students who ride a school bus is 110% of the number of students who walk. how many students ride the school bus?