Please help me, this is due tomorrow and i cant solve it T-T

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?