Someone plz me with this question asap!

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

What are the sotions to the quadratic equation 9x^2=4

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done