What is the greatest common factor of 3 and 27?

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

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?