HII PLEASE HELPPP ITS MATH I GIBE BRAINLISYT

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Agroup of randomly selected apple valley high school students were asked to pick their favorite gym class. the table below shows the results of the survey. there are 528 students at apple valley high school. gym class number of students racquet sports 1 team sports 9 track and field 17 bowling 13 based on the data, what is the most reasonable estimate for the number of students at apple valley high school whose favorite gym class is bowling? choose 1 answer a. 9 b. 13 c. 119 d. 172

I'm confused on this could anyone me and show me what i need to do to solve it.