An astronaut's pack weighs 18. 5 n when she is on earth but only 3. 84 n when she is at the surface of moon.

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

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.