Ronald's suitcase has a mass of 2,500 dekagrams. what is the mass of ronald's suitcase in kilograms?

Factor the monomial completely 42a3b3

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²